74812177344 has 28 divisors (see below), whose sum is σ = 197940553064. Its totient is φ = 24937392384.

The previous prime is 74812177309. The next prime is 74812177409. The reversal of 74812177344 is 44377121847.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 74812177293 and 74812177302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194823187 + ... + 194823570.

Almost surely, 2^74812177344 is an apocalyptic number.

It is an amenable number.

74812177344 is an abundant number, since it is smaller than the sum of its proper divisors (123128375720).

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

74812177344 is a wasteful number, since it uses less digits than its factorization.

74812177344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389646772 (or 389646762 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 48.

The spelling of 74812177344 in words is "seventy-four billion, eight hundred twelve million, one hundred seventy-seven thousand, three hundred forty-four".