85674690 has 24 divisors (see below), whose sum is σ = 222754428. Its totient is φ = 22846560.

The previous prime is 85674661. The next prime is 85674703. The reversal of 85674690 is 9647658.

It can be written as a sum of positive squares in 2 ways, for example, as 82573569 + 3101121 = 9087^2 + 1761^2 .

It is a super-2 number, since 2×85674690² = 14680305013192200, which contains 22 as substring.

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

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, 475881 + ... + 476060.

Almost surely, 2^85674690 is an apocalyptic number.

85674690 is an abundant number, since it is smaller than the sum of its proper divisors (137079738).

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

85674690 is a wasteful number, since it uses less digits than its factorization.

85674690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951954 (or 951951 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 85674690 is about 9256.0623377330. The cubic root of 85674690 is about 440.8432348845.

The spelling of 85674690 in words is "eighty-five million, six hundred seventy-four thousand, six hundred ninety".