86972274 has 24 divisors (see below), whose sum is σ = 193534380. Its totient is φ = 28207008.

The previous prime is 86972261. The next prime is 86972287. The reversal of 86972274 is 47227968.

It is an interprime number because it is at equal distance from previous prime (86972261) and next prime (86972287).

It can be written as a sum of positive squares in 2 ways, for example, as 84548025 + 2424249 = 9195^2 + 1557^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64629 + ... + 65960.

Almost surely, 2^86972274 is an apocalyptic number.

86972274 is an abundant number, since it is smaller than the sum of its proper divisors (106562106).

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

86972274 is a wasteful number, since it uses less digits than its factorization.

86972274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130634 (or 130631 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 86972274 is about 9325.8926650482. The cubic root of 86972274 is about 443.0576862002.

The spelling of 86972274 in words is "eighty-six million, nine hundred seventy-two thousand, two hundred seventy-four".