73400157 has 12 divisors (see below), whose sum is σ = 109442944. Its totient is φ = 47354760.

The previous prime is 73400123. The next prime is 73400161. The reversal of 73400157 is 75100437.

It is not a de Polignac number, because 73400157 - 2⁷ = 73400029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73400157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73400057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131263 + ... + 131820.

Almost surely, 2^73400157 is an apocalyptic number.

It is an amenable number.

73400157 is a deficient number, since it is larger than the sum of its proper divisors (36042787).

73400157 is a wasteful number, since it uses less digits than its factorization.

73400157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263120 (or 263117 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 73400157 is about 8567.3891588978. The cubic root of 73400157 is about 418.6961777710.

The spelling of 73400157 in words is "seventy-three million, four hundred thousand, one hundred fifty-seven".