72611562 has 8 divisors (see below), whose sum is σ = 145223136. Its totient is φ = 24203852.

The previous prime is 72611557. The next prime is 72611587. The reversal of 72611562 is 26511627.

It is a sphenic number, since it is the product of 3 distinct primes.

72611562 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050958 + ... + 6050969.

It is an arithmetic number, because the mean of its divisors is an integer number (18152892).

Almost surely, 2^72611562 is an apocalyptic number.

72611562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72611562 is a wasteful number, since it uses less digits than its factorization.

72611562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101932.

The product of its digits is 5040, while the sum is 30.

The square root of 72611562 is about 8521.2418109100. The cubic root of 72611562 is about 417.1913159241.

The spelling of 72611562 in words is "seventy-two million, six hundred eleven thousand, five hundred sixty-two".