76280404 has 6 divisors (see below), whose sum is σ = 133490714. Its totient is φ = 38140200.

The previous prime is 76280381. The next prime is 76280417. The reversal of 76280404 is 40408267.

It can be written as a sum of positive squares in only one way, i.e., 57790404 + 18490000 = 7602^2 + 4300^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9535047 + ... + 9535054.

Almost surely, 2^76280404 is an apocalyptic number.

It is an amenable number.

76280404 is a deficient number, since it is larger than the sum of its proper divisors (57210310).

76280404 is a wasteful number, since it uses less digits than its factorization.

76280404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070105 (or 19070103 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 76280404 is about 8733.8653527519. The cubic root of 76280404 is about 424.1026584817.

The spelling of 76280404 in words is "seventy-six million, two hundred eighty thousand, four hundred four".