77444042 has 16 divisors (see below), whose sum is σ = 125610912. Its totient is φ = 35598000.

The previous prime is 77444041. The next prime is 77444053. The reversal of 77444042 is 24044477.

It is not an unprimeable number, because it can be changed into a prime (77444041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593 + ... + 12459.

It is an arithmetic number, because the mean of its divisors is an integer number (7850682).

Almost surely, 2^77444042 is an apocalyptic number.

77444042 is a deficient number, since it is larger than the sum of its proper divisors (48166870).

77444042 is a wasteful number, since it uses less digits than its factorization.

77444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 77444042 is about 8800.2296560942. The cubic root of 77444042 is about 426.2483104940.

The spelling of 77444042 in words is "seventy-seven million, four hundred forty-four thousand, forty-two".