73307057 has 8 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 70820640.

The previous prime is 73307029. The next prime is 73307063. The reversal of 73307057 is 75070337.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73307057 - 2⁸ = 73306801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73303057) 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, 4457 + ... + 12902.

It is an arithmetic number, because the mean of its divisors is an integer number (9478560).

Almost surely, 2^73307057 is an apocalyptic number.

It is an amenable number.

73307057 is a deficient number, since it is larger than the sum of its proper divisors (2521423).

73307057 is a wasteful number, since it uses less digits than its factorization.

73307057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17503.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 73307057 is about 8561.9540409885. The cubic root of 73307057 is about 418.5190795728.

The spelling of 73307057 in words is "seventy-three million, three hundred seven thousand, fifty-seven".