76619974 has 4 divisors (see below), whose sum is σ = 114929964. Its totient is φ = 38309986.

The previous prime is 76619971. The next prime is 76619993. The reversal of 76619974 is 47991667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47991667 = 5333 ⋅8999.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76619971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19154992 + ... + 19154995.

It is an arithmetic number, because the mean of its divisors is an integer number (28732491).

Almost surely, 2^76619974 is an apocalyptic number.

76619974 is a deficient number, since it is larger than the sum of its proper divisors (38309990).

76619974 is a wasteful number, since it uses less digits than its factorization.

76619974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38309989.

The product of its digits is 571536, while the sum is 49.

The square root of 76619974 is about 8753.2836124508. The cubic root of 76619974 is about 424.7310390514.

The spelling of 76619974 in words is "seventy-six million, six hundred nineteen thousand, nine hundred seventy-four".