72057351 has 16 divisors (see below), whose sum is σ = 98082560. Its totient is φ = 47044800.

The previous prime is 72057343. The next prime is 72057383. The reversal of 72057351 is 15375027.

72057351 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 72057351 - 2³ = 72057343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72057301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31980 + ... + 34158.

It is an arithmetic number, because the mean of its divisors is an integer number (6130160).

Almost surely, 2^72057351 is an apocalyptic number.

72057351 is a deficient number, since it is larger than the sum of its proper divisors (26025209).

72057351 is a wasteful number, since it uses less digits than its factorization.

72057351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 72057351 is about 8488.6601416242. The cubic root of 72057351 is about 416.1271935242.

The spelling of 72057351 in words is "seventy-two million, fifty-seven thousand, three hundred fifty-one".