36781764 has 12 divisors (see below), whose sum is σ = 85824144. Its totient is φ = 12260584.

The previous prime is 36781757. The next prime is 36781769. The reversal of 36781764 is 46718763.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (36781769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532562 + ... + 1532585.

It is an arithmetic number, because the mean of its divisors is an integer number (7152012).

Almost surely, 2^36781764 is an apocalyptic number.

It is an amenable number.

36781764 is an abundant number, since it is smaller than the sum of its proper divisors (49042380).

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

36781764 is a wasteful number, since it uses less digits than its factorization.

36781764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065154 (or 3065152 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 36781764 is about 6064.7971111984. The cubic root of 36781764 is about 332.5657480173.

The spelling of 36781764 in words is "thirty-six million, seven hundred eighty-one thousand, seven hundred sixty-four".