76904280 has 48 divisors (see below), whose sum is σ = 249940080. Its totient is φ = 20507712.

The previous prime is 76904279. The next prime is 76904281. The reversal of 76904280 is 8240967.

It is an interprime number because it is at equal distance from previous prime (76904279) and next prime (76904281).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76904281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106452 + ... + 107171.

It is an arithmetic number, because the mean of its divisors is an integer number (5207085).

Almost surely, 2^76904280 is an apocalyptic number.

It is an amenable number.

76904280 is an abundant number, since it is smaller than the sum of its proper divisors (173035800).

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

76904280 is a wasteful number, since it uses less digits than its factorization.

76904280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213640 (or 213633 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 76904280 is about 8769.5085381109. The cubic root of 76904280 is about 425.2557261427.

The spelling of 76904280 in words is "seventy-six million, nine hundred four thousand, two hundred eighty".