72461558 has 16 divisors (see below), whose sum is σ = 119039760. Its totient is φ = 32876256.

The previous prime is 72461549. The next prime is 72461561. The reversal of 72461558 is 85516427.

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, 22085 + ... + 25152.

It is an arithmetic number, because the mean of its divisors is an integer number (7439985).

Almost surely, 2^72461558 is an apocalyptic number.

72461558 is a deficient number, since it is larger than the sum of its proper divisors (46578202).

72461558 is a wasteful number, since it uses less digits than its factorization.

72461558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47311.

The product of its digits is 67200, while the sum is 38.

The square root of 72461558 is about 8512.4354916792. The cubic root of 72461558 is about 416.9038341160.

The spelling of 72461558 in words is "seventy-two million, four hundred sixty-one thousand, five hundred fifty-eight".