77103344 has 40 divisors (see below), whose sum is σ = 156083760. Its totient is φ = 36850688.

The previous prime is 77103331. The next prime is 77103379. The reversal of 77103344 is 44330177.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48872 + ... + 50424.

It is an arithmetic number, because the mean of its divisors is an integer number (3902094).

Almost surely, 2^77103344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77103344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78041880).

77103344 is an abundant number, since it is smaller than the sum of its proper divisors (78980416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77103344 is a wasteful number, since it uses less digits than its factorization.

77103344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 77103344 is about 8780.8509838170. The cubic root of 77103344 is about 425.6223297968.

The spelling of 77103344 in words is "seventy-seven million, one hundred three thousand, three hundred forty-four".