74344777770 has 32 divisors (see below), whose sum is σ = 179495906688. Its totient is φ = 19706558528.

The previous prime is 74344777739. The next prime is 74344777807. The reversal of 74344777770 is 7777744347.

It is a self number, because there is not a number n which added to its sum of digits gives 74344777770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7414629 + ... + 7424648.

It is an arithmetic number, because the mean of its divisors is an integer number (5609247084).

Almost surely, 2^74344777770 is an apocalyptic number.

74344777770 is an abundant number, since it is smaller than the sum of its proper divisors (105151128918).

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

74344777770 is a wasteful number, since it uses less digits than its factorization.

74344777770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14839454.

The product of its (nonzero) digits is 22588608, while the sum is 57.

The spelling of 74344777770 in words is "seventy-four billion, three hundred forty-four million, seven hundred seventy-seven thousand, seven hundred seventy".