40624997 has 8 divisors (see below), whose sum is σ = 46580352. Its totient is φ = 34707600.

The previous prime is 40624943. The next prime is 40625017. The reversal of 40624997 is 79942604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40624997 - 2⁸ = 40624741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40624697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7154 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (5822544).

Almost surely, 2^40624997 is an apocalyptic number.

It is an amenable number.

40624997 is a deficient number, since it is larger than the sum of its proper divisors (5955355).

40624997 is a wasteful number, since it uses less digits than its factorization.

40624997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18979.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 40624997 is about 6373.7741566516. The cubic root of 40624997 is about 343.7672083066.

The spelling of 40624997 in words is "forty million, six hundred twenty-four thousand, nine hundred ninety-seven".