40693725 has 72 divisors (see below), whose sum is σ = 79369920. Its totient is φ = 20437920.

The previous prime is 40693711. The next prime is 40693753. The reversal of 40693725 is 52739604.

It is not a de Polignac number, because 40693725 - 2⁶ = 40693661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40693725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 243592 + ... + 243758.

It is an arithmetic number, because the mean of its divisors is an integer number (1102360).

Almost surely, 2^40693725 is an apocalyptic number.

40693725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40693725 is a deficient number, since it is larger than the sum of its proper divisors (38676195).

40693725 is a wasteful number, since it uses less digits than its factorization.

40693725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 40693725 is about 6379.1633463958. The cubic root of 40693725 is about 343.9609570120.

The spelling of 40693725 in words is "forty million, six hundred ninety-three thousand, seven hundred twenty-five".