45647712 has 120 divisors (see below), whose sum is σ = 146544552. Its totient is φ = 13824000.

The previous prime is 45647699. The next prime is 45647713. The reversal of 45647712 is 21774654.

45647712 is a `hidden beast` number, since 4 + 5 + 647 + 7 + 1 + 2 = 666.

It is a super-2 number, since 2×45647712² = 4167427221669888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45647713) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 27712 + ... + 29312.

Almost surely, 2^45647712 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 45647712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73272276).

45647712 is an abundant number, since it is smaller than the sum of its proper divisors (100896840).

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

45647712 is a wasteful number, since it uses less digits than its factorization.

45647712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1617 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 45647712 is about 6756.3090515458. The cubic root of 45647712 is about 357.3877574836.

The spelling of 45647712 in words is "forty-five million, six hundred forty-seven thousand, seven hundred twelve".