86975073 has 8 divisors (see below), whose sum is σ = 128852000. Its totient is φ = 57983364.

The previous prime is 86975069. The next prime is 86975093. The reversal of 86975073 is 37057968.

It is a happy number.

It is not a de Polignac number, because 86975073 - 2² = 86975069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86975023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610623 + ... + 1610676.

It is an arithmetic number, because the mean of its divisors is an integer number (16106500).

Almost surely, 2^86975073 is an apocalyptic number.

It is an amenable number.

86975073 is a deficient number, since it is larger than the sum of its proper divisors (41876927).

86975073 is a wasteful number, since it uses less digits than its factorization.

86975073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221308 (or 3221302 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 86975073 is about 9326.0427299043. The cubic root of 86975073 is about 443.0624390756.

The spelling of 86975073 in words is "eighty-six million, nine hundred seventy-five thousand, seventy-three".