40707372 has 12 divisors (see below), whose sum is σ = 94983896. Its totient is φ = 13569120.

The previous prime is 40707349. The next prime is 40707379. The reversal of 40707372 is 27370704.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40707379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696129 + ... + 1696152.

Almost surely, 2^40707372 is an apocalyptic number.

It is an amenable number.

40707372 is an abundant number, since it is smaller than the sum of its proper divisors (54276524).

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

40707372 is a wasteful number, since it uses less digits than its factorization.

40707372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392288 (or 3392286 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 40707372 is about 6380.2329111091. The cubic root of 40707372 is about 343.9994028293. Note that the first 3 decimals are identical.

The spelling of 40707372 in words is "forty million, seven hundred seven thousand, three hundred seventy-two".