40725693 has 32 divisors (see below), whose sum is σ = 64713600. Its totient is φ = 25221888.

The previous prime is 40725689. The next prime is 40725697. The reversal of 40725693 is 39652704.

It is an interprime number because it is at equal distance from previous prime (40725689) and next prime (40725697).

It is not a de Polignac number, because 40725693 - 2² = 40725689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37563 + ... + 38631.

It is an arithmetic number, because the mean of its divisors is an integer number (2022300).

Almost surely, 2^40725693 is an apocalyptic number.

It is an amenable number.

40725693 is a deficient number, since it is larger than the sum of its proper divisors (23987907).

40725693 is a wasteful number, since it uses less digits than its factorization.

40725693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1172 counting only the distinct ones).

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

The square root of 40725693 is about 6381.6685122310. The cubic root of 40725693 is about 344.0510025559.

The spelling of 40725693 in words is "forty million, seven hundred twenty-five thousand, six hundred ninety-three".