72055607 has 8 divisors (see below), whose sum is σ = 78353184. Its totient is φ = 65865888.

The previous prime is 72055603. The next prime is 72055631. The reversal of 72055607 is 70655027.

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 72055607 - 2² = 72055603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72055601) 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, 25568 + ... + 28245.

It is an arithmetic number, because the mean of its divisors is an integer number (9794148).

Almost surely, 2^72055607 is an apocalyptic number.

72055607 is a deficient number, since it is larger than the sum of its proper divisors (6297577).

72055607 is a wasteful number, since it uses less digits than its factorization.

72055607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53929.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 72055607 is about 8488.5574157215. The cubic root of 72055607 is about 416.1238363294.

The spelling of 72055607 in words is "seventy-two million, fifty-five thousand, six hundred seven".