72487055 has 8 divisors (see below), whose sum is σ = 87177552. Its totient is φ = 57860928.

The previous prime is 72487049. The next prime is 72487069. The reversal of 72487055 is 55078427.

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 72487055 - 2¹⁶ = 72421519 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, 13577 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (10897194).

Almost surely, 2^72487055 is an apocalyptic number.

72487055 is a deficient number, since it is larger than the sum of its proper divisors (14690497).

72487055 is a wasteful number, since it uses less digits than its factorization.

72487055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32185.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 72487055 is about 8513.9329924542. The cubic root of 72487055 is about 416.9527269397.

The spelling of 72487055 in words is "seventy-two million, four hundred eighty-seven thousand, fifty-five".