86746725 has 72 divisors (see below), whose sum is σ = 171155712. Its totient is φ = 41731200.

The previous prime is 86746721. The next prime is 86746729. The reversal of 86746725 is 52764768.

It is an interprime number because it is at equal distance from previous prime (86746721) and next prime (86746729).

It is not a de Polignac number, because 86746725 - 2² = 86746721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86746721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 137160 + ... + 137790.

Almost surely, 2^86746725 is an apocalyptic number.

It is an amenable number.

86746725 is a deficient number, since it is larger than the sum of its proper divisors (84408987).

86746725 is a wasteful number, since it uses less digits than its factorization.

86746725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 699 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 86746725 is about 9313.7921922276. The cubic root of 86746725 is about 442.6743543502.

The spelling of 86746725 in words is "eighty-six million, seven hundred forty-six thousand, seven hundred twenty-five".