40725764 has 12 divisors (see below), whose sum is σ = 72172800. Its totient is φ = 20104968.

The previous prime is 40725739. The next prime is 40725767. The reversal of 40725764 is 46752704.

It is not an unprimeable number, because it can be changed into a prime (40725767) 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, 64124 + ... + 64755.

It is an arithmetic number, because the mean of its divisors is an integer number (6014400).

Almost surely, 2^40725764 is an apocalyptic number.

It is an amenable number.

40725764 is a deficient number, since it is larger than the sum of its proper divisors (31447036).

40725764 is a wasteful number, since it uses less digits than its factorization.

40725764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128962 (or 128960 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 40725764 is about 6381.6740750371. The cubic root of 40725764 is about 344.0512024920.

The spelling of 40725764 in words is "forty million, seven hundred twenty-five thousand, seven hundred sixty-four".