40613725 has 12 divisors (see below), whose sum is σ = 51114784. Its totient is φ = 32004720.

The previous prime is 40613719. The next prime is 40613743. The reversal of 40613725 is 52731604.

It is not a de Polignac number, because 40613725 - 2⁵ = 40613693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40613693 and 40613702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10449 + ... + 13798.

Almost surely, 2^40613725 is an apocalyptic number.

It is an amenable number.

40613725 is a deficient number, since it is larger than the sum of its proper divisors (10501059).

40613725 is a wasteful number, since it uses less digits than its factorization.

40613725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24324 (or 24319 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40613725 is about 6372.8898468434. The cubic root of 40613725 is about 343.7354109511.

The spelling of 40613725 in words is "forty million, six hundred thirteen thousand, seven hundred twenty-five".