77442104 has 32 divisors (see below), whose sum is σ = 153252000. Its totient is φ = 36613632.

The previous prime is 77442083. The next prime is 77442107. The reversal of 77442104 is 40124477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77442107) by changing a digit.

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, 14012 + ... + 18740.

It is an arithmetic number, because the mean of its divisors is an integer number (4789125).

Almost surely, 2^77442104 is an apocalyptic number.

It is an amenable number.

77442104 is a deficient number, since it is larger than the sum of its proper divisors (75809896).

77442104 is a wasteful number, since it uses less digits than its factorization.

77442104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847 (or 4843 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 77442104 is about 8800.1195446426. The cubic root of 77442104 is about 426.2447549112.

The spelling of 77442104 in words is "seventy-seven million, four hundred forty-two thousand, one hundred four".