40744725 has 36 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 18624480.

The previous prime is 40744709. The next prime is 40744741. The reversal of 40744725 is 52744704.

It is an interprime number because it is at equal distance from previous prime (40744709) and next prime (40744741).

It is not a de Polignac number, because 40744725 - 2⁴ = 40744709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1869 + ... + 9218.

It is an arithmetic number, because the mean of its divisors is an integer number (2176944).

Almost surely, 2^40744725 is an apocalyptic number.

It is an amenable number.

40744725 is a deficient number, since it is larger than the sum of its proper divisors (37625259).

40744725 is a wasteful number, since it uses less digits than its factorization.

40744725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114 (or 11102 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 40744725 is about 6383.1594841426. The cubic root of 40744725 is about 344.1045883757.

The spelling of 40744725 in words is "forty million, seven hundred forty-four thousand, seven hundred twenty-five".