46721740 has 72 divisors (see below), whose sum is σ = 111047328. Its totient is φ = 16473600.

The previous prime is 46721737. The next prime is 46721747. The reversal of 46721740 is 4712764.

46721740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (46721747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77440 + ... + 78040.

It is an arithmetic number, because the mean of its divisors is an integer number (1542324).

Almost surely, 2^46721740 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 46721740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55523664).

46721740 is an abundant number, since it is smaller than the sum of its proper divisors (64325588).

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

46721740 is a wasteful number, since it uses less digits than its factorization.

46721740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 46721740 is about 6835.3302773165. The cubic root of 46721740 is about 360.1690050089.

The spelling of 46721740 in words is "forty-six million, seven hundred twenty-one thousand, seven hundred forty".