76156452 has 18 divisors (see below), whose sum is σ = 192506678. Its totient is φ = 25385472.

The previous prime is 76156411. The next prime is 76156453. The reversal of 76156452 is 25465167.

It is a happy number.

76156452 is a `hidden beast` number, since 7 + 6 + 1 + 5 + 645 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74235456 + 1920996 = 8616^2 + 1386^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2115457 = 76156452 / (7 + 6 + 1 + 5 + 6 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (76156453) 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, 1057693 + ... + 1057764.

Almost surely, 2^76156452 is an apocalyptic number.

It is an amenable number.

76156452 is an abundant number, since it is smaller than the sum of its proper divisors (116350226).

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

76156452 is a wasteful number, since it uses less digits than its factorization.

76156452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115467 (or 2115462 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 76156452 is about 8726.7664114493. The cubic root of 76156452 is about 423.8728184468.

The spelling of 76156452 in words is "seventy-six million, one hundred fifty-six thousand, four hundred fifty-two".