764614152 has 24 divisors (see below), whose sum is σ = 2070830190. Its totient is φ = 254871360.

The previous prime is 764614133. The next prime is 764614157. The reversal of 764614152 is 251416467.

764614152 is a `hidden beast` number, since 7 + 646 + 1 + 4 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 519566436 + 245047716 = 22794^2 + 15654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (764614157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5309749 + ... + 5309892.

Almost surely, 2^764614152 is an apocalyptic number.

764614152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

764614152 is an abundant number, since it is smaller than the sum of its proper divisors (1306216038).

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

764614152 is a wasteful number, since it uses less digits than its factorization.

764614152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619653 (or 10619646 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 764614152 is about 27651.6573101867. The cubic root of 764614152 is about 914.4236377399.

The spelling of 764614152 in words is "seven hundred sixty-four million, six hundred fourteen thousand, one hundred fifty-two".