76381252 has 18 divisors (see below), whose sum is σ = 139735358. Its totient is φ = 36529152.

The previous prime is 76381219. The next prime is 76381259. The reversal of 76381252 is 25218367.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53494596 + 22886656 = 7314^2 + 4784^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76381259) 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, 15933 + ... + 20164.

Almost surely, 2^76381252 is an apocalyptic number.

It is an amenable number.

76381252 is a deficient number, since it is larger than the sum of its proper divisors (63354106).

76381252 is a wasteful number, since it uses less digits than its factorization.

76381252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36147 (or 36122 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 76381252 is about 8739.6368345601. The cubic root of 76381252 is about 424.2894739163.

The spelling of 76381252 in words is "seventy-six million, three hundred eighty-one thousand, two hundred fifty-two".