73256357 has 8 divisors (see below), whose sum is σ = 76932096. Its totient is φ = 69621552.

The previous prime is 73256353. The next prime is 73256363. The reversal of 73256357 is 75365237.

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

It is not a de Polignac number, because 73256357 - 2² = 73256353 is a prime.

It is a super-2 number, since 2×73256357² = 10732987681822898, which contains 22 as substring.

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 73256357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73256353) 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, 6533 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (9616512).

Almost surely, 2^73256357 is an apocalyptic number.

It is an amenable number.

73256357 is a deficient number, since it is larger than the sum of its proper divisors (3675739).

73256357 is a wasteful number, since it uses less digits than its factorization.

73256357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20467.

The product of its digits is 132300, while the sum is 38.

The square root of 73256357 is about 8558.9927561600. The cubic root of 73256357 is about 418.4225731253.

It can be divided in two parts, 732563 and 57, that multiplied together give a triangular number (41756091 = T₉₁₃₈).

The spelling of 73256357 in words is "seventy-three million, two hundred fifty-six thousand, three hundred fifty-seven".