77244652 has 24 divisors (see below), whose sum is σ = 142838640. Its totient is φ = 36449280.

The previous prime is 77244647. The next prime is 77244679. The reversal of 77244652 is 25644277.

It is a super-2 number, since 2×77244652² = 11933472525202208, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 19548 + ... + 23164.

It is an arithmetic number, because the mean of its divisors is an integer number (5951610).

Almost surely, 2^77244652 is an apocalyptic number.

It is an amenable number.

77244652 is a deficient number, since it is larger than the sum of its proper divisors (65593988).

77244652 is a wasteful number, since it uses less digits than its factorization.

77244652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921 (or 3919 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 77244652 is about 8788.8936732674. The cubic root of 77244652 is about 425.8821850870.

The spelling of 77244652 in words is "seventy-seven million, two hundred forty-four thousand, six hundred fifty-two".