74319774722 has 18 divisors (see below), whose sum is σ = 114157968867. Its totient is φ = 36287607636.

The previous prime is 74319774709. The next prime is 74319774731. The reversal of 74319774722 is 22747791347.

It can be written as a sum of positive squares in only one way, i.e., 37159887361 + 37159887361 = 192769^2 + 192769^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=192769.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16575893 + ... + 16580375.

Almost surely, 2^74319774722 is an apocalyptic number.

74319774722 is a deficient number, since it is larger than the sum of its proper divisors (39838194145).

74319774722 is an frugal number, since it uses more digits than its factorization.

74319774722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 4528 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 53.

The spelling of 74319774722 in words is "seventy-four billion, three hundred nineteen million, seven hundred seventy-four thousand, seven hundred twenty-two".