76449944 has 8 divisors (see below), whose sum is σ = 143343660. Its totient is φ = 38224968.

The previous prime is 76449943. The next prime is 76449949. The reversal of 76449944 is 44994467.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76449943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4778114 + ... + 4778129.

Almost surely, 2^76449944 is an apocalyptic number.

It is an amenable number.

76449944 is a deficient number, since it is larger than the sum of its proper divisors (66893716).

76449944 is a wasteful number, since it uses less digits than its factorization.

76449944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556249 (or 9556245 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 76449944 is about 8743.5658629646. The cubic root of 76449944 is about 424.4166279803.

The spelling of 76449944 in words is "seventy-six million, four hundred forty-nine thousand, nine hundred forty-four".