76729412 has 6 divisors (see below), whose sum is σ = 134276478. Its totient is φ = 38364704.

The previous prime is 76729363. The next prime is 76729417. The reversal of 76729412 is 21492767.

It can be written as a sum of positive squares in only one way, i.e., 65060356 + 11669056 = 8066^2 + 3416^2 .

It is a super-3 number, since 3×76729412³ (a number of 25 digits) contains 333 as substring.

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 (76729417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9591173 + ... + 9591180.

It is an arithmetic number, because the mean of its divisors is an integer number (22379413).

Almost surely, 2^76729412 is an apocalyptic number.

It is an amenable number.

76729412 is a deficient number, since it is larger than the sum of its proper divisors (57547066).

76729412 is a wasteful number, since it uses less digits than its factorization.

76729412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19182357 (or 19182355 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 76729412 is about 8759.5326359344. The cubic root of 76729412 is about 424.9331604230.

The spelling of 76729412 in words is "seventy-six million, seven hundred twenty-nine thousand, four hundred twelve".