87345272 has 32 divisors (see below), whose sum is σ = 190706400. Its totient is φ = 36726144.

The previous prime is 87345263. The next prime is 87345331. The reversal of 87345272 is 27254378.

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, 11747 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (5959575).

Almost surely, 2^87345272 is an apocalyptic number.

It is an amenable number.

87345272 is an abundant number, since it is smaller than the sum of its proper divisors (103361128).

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

87345272 is a wasteful number, since it uses less digits than its factorization.

87345272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29495 (or 29491 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 87345272 is about 9345.8692479619. The cubic root of 87345272 is about 443.6901634057.

The spelling of 87345272 in words is "eighty-seven million, three hundred forty-five thousand, two hundred seventy-two".