45640716 has 108 divisors (see below), whose sum is σ = 126891576. Its totient is φ = 12714240.

The previous prime is 45640703. The next prime is 45640729. The reversal of 45640716 is 61704654.

45640716 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45640703) and next prime (45640729).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

45640716 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1061391 + ... + 1061433.

It is an arithmetic number, because the mean of its divisors is an integer number (1174922).

Almost surely, 2^45640716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45640716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63445788).

45640716 is an abundant number, since it is smaller than the sum of its proper divisors (81250860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45640716 is a wasteful number, since it uses less digits than its factorization.

45640716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 45640716 is about 6755.7912934015. The cubic root of 45640716 is about 357.3694987189.

The spelling of 45640716 in words is "forty-five million, six hundred forty thousand, seven hundred sixteen".