36912645 has 128 divisors (see below), whose sum is σ = 84602880. Its totient is φ = 14826240.

The previous prime is 36912641. The next prime is 36912721. The reversal of 36912645 is 54621963.

It is a happy number.

36912645 is a `hidden beast` number, since 3 + 6 + 9 + 1 + 2 + 645 = 666.

It is not a de Polignac number, because 36912645 - 2² = 36912641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36912641) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 550902 + ... + 550968.

It is an arithmetic number, because the mean of its divisors is an integer number (660960).

Almost surely, 2^36912645 is an apocalyptic number.

36912645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36912645 is an abundant number, since it is smaller than the sum of its proper divisors (47690235).

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

36912645 is a wasteful number, since it uses less digits than its factorization.

36912645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 146 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 36912645 is about 6075.5777503049. The cubic root of 36912645 is about 332.9597386597.

It can be divided in two parts, 3691 and 2645, that added together give a palindrome (6336).

The spelling of 36912645 in words is "thirty-six million, nine hundred twelve thousand, six hundred forty-five".