72472055 has 8 divisors (see below), whose sum is σ = 87275472. Its totient is φ = 57771648.

The previous prime is 72472033. The next prime is 72472069. The reversal of 72472055 is 55027427.

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 72472055 - 2¹⁰ = 72471031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24194 + ... + 27023.

It is an arithmetic number, because the mean of its divisors is an integer number (10909434).

Almost surely, 2^72472055 is an apocalyptic number.

72472055 is a deficient number, since it is larger than the sum of its proper divisors (14803417).

72472055 is a wasteful number, since it uses less digits than its factorization.

72472055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51505.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 72472055 is about 8513.0520379004. The cubic root of 72472055 is about 416.9239644599.

The spelling of 72472055 in words is "seventy-two million, four hundred seventy-two thousand, fifty-five".