72055361 has 8 divisors (see below), whose sum is σ = 82414080. Its totient is φ = 61712928.

The previous prime is 72055349. The next prime is 72055381. The reversal of 72055361 is 16355027.

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 72055361 - 2²⁶ = 4946497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72055331) 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, 7685 + ... + 14253.

It is an arithmetic number, because the mean of its divisors is an integer number (10301760).

Almost surely, 2^72055361 is an apocalyptic number.

It is an amenable number.

72055361 is a deficient number, since it is larger than the sum of its proper divisors (10358719).

72055361 is a wasteful number, since it uses less digits than its factorization.

72055361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 72055361 is about 8488.5429256145. The cubic root of 72055361 is about 416.1233627758.

The spelling of 72055361 in words is "seventy-two million, fifty-five thousand, three hundred sixty-one".