76404442 has 4 divisors (see below), whose sum is σ = 114606666. Its totient is φ = 38202220.

The previous prime is 76404431. The next prime is 76404451. The reversal of 76404442 is 24440467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 5861241 = 8399^2 + 2421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19101109 + ... + 19101112.

Almost surely, 2^76404442 is an apocalyptic number.

76404442 is a deficient number, since it is larger than the sum of its proper divisors (38202224).

76404442 is a wasteful number, since it uses less digits than its factorization.

76404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38202223.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 76404442 is about 8740.9634480416. The cubic root of 76404442 is about 424.3324088732.

The spelling of 76404442 in words is "seventy-six million, four hundred four thousand, four hundred forty-two".