36640974 has 32 divisors (see below), whose sum is σ = 74694816. Its totient is φ = 11980800.

The previous prime is 36640957. The next prime is 36640979. The reversal of 36640974 is 47904663.

36640974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36640979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91174 + ... + 91574.

It is an arithmetic number, because the mean of its divisors is an integer number (2334213).

Almost surely, 2^36640974 is an apocalyptic number.

36640974 is an abundant number, since it is smaller than the sum of its proper divisors (38053842).

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

36640974 is a wasteful number, since it uses less digits than its factorization.

36640974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 36640974 is about 6053.1788342986. The cubic root of 36640974 is about 332.1408834992.

The spelling of 36640974 in words is "thirty-six million, six hundred forty thousand, nine hundred seventy-four".