40736625 has 16 divisors (see below), whose sum is σ = 67786368. Its totient is φ = 21726000.

The previous prime is 40736623. The next prime is 40736659. The reversal of 40736625 is 52663704.

It is not a de Polignac number, because 40736625 - 2¹ = 40736623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40736623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53941 + ... + 54690.

It is an arithmetic number, because the mean of its divisors is an integer number (4236648).

Almost surely, 2^40736625 is an apocalyptic number.

It is an amenable number.

40736625 is a deficient number, since it is larger than the sum of its proper divisors (27049743).

40736625 is a wasteful number, since it uses less digits than its factorization.

40736625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108649 (or 108639 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 40736625 is about 6382.5249705739. The cubic root of 40736625 is about 344.0817843450.

The spelling of 40736625 in words is "forty million, seven hundred thirty-six thousand, six hundred twenty-five".