76621252 has 12 divisors (see below), whose sum is σ = 136617516. Its totient is φ = 37587680.

The previous prime is 76621241. The next prime is 76621253. The reversal of 76621252 is 25212667.

It can be written as a sum of positive squares in 2 ways, for example, as 63776196 + 12845056 = 7986^2 + 3584^2 .

It is not an unprimeable number, because it can be changed into a prime (76621253) 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, 180499 + ... + 180922.

It is an arithmetic number, because the mean of its divisors is an integer number (11384793).

Almost surely, 2^76621252 is an apocalyptic number.

It is an amenable number.

76621252 is a deficient number, since it is larger than the sum of its proper divisors (59996264).

76621252 is a wasteful number, since it uses less digits than its factorization.

76621252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361478 (or 361476 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 76621252 is about 8753.3566133227. The cubic root of 76621252 is about 424.7334005037.

The spelling of 76621252 in words is "seventy-six million, six hundred twenty-one thousand, two hundred fifty-two".