36686574 has 16 divisors (see below), whose sum is σ = 81525840. Its totient is φ = 12228840.

The previous prime is 36686567. The next prime is 36686579. The reversal of 36686574 is 47568663.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36686579) 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, 339637 + ... + 339744.

It is an arithmetic number, because the mean of its divisors is an integer number (5095365).

Almost surely, 2^36686574 is an apocalyptic number.

36686574 is an abundant number, since it is smaller than the sum of its proper divisors (44839266).

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

36686574 is a wasteful number, since it uses less digits than its factorization.

36686574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679392 (or 679386 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 36686574 is about 6056.9442790899. The cubic root of 36686574 is about 332.2786104209.

The spelling of 36686574 in words is "thirty-six million, six hundred eighty-six thousand, five hundred seventy-four".