76440252 has 24 divisors (see below), whose sum is σ = 203840896. Its totient is φ = 21840048.

The previous prime is 76440251. The next prime is 76440263. The reversal of 76440252 is 25204467.

It is a super-2 number, since 2×76440252² = 11686224251647008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76440251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454918 + ... + 455085.

Almost surely, 2^76440252 is an apocalyptic number.

It is an amenable number.

76440252 is an abundant number, since it is smaller than the sum of its proper divisors (127400644).

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

76440252 is a wasteful number, since it uses less digits than its factorization.

76440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910017 (or 910015 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 76440252 is about 8743.0116092797. The cubic root of 76440252 is about 424.3986919750.

The spelling of 76440252 in words is "seventy-six million, four hundred forty thousand, two hundred fifty-two".