674624704428 has 24 divisors (see below), whose sum is σ = 1749027011760. Its totient is φ = 224874901440.

The previous prime is 674624704417. The next prime is 674624704433. The reversal of 674624704428 is 824407426476.

674624704428 is a `hidden beast` number, since 6 + 7 + 4 + 624 + 7 + 0 + 4 + 4 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 3123262413 + ... + 3123262628.

It is an arithmetic number, because the mean of its divisors is an integer number (72876125490).

Almost surely, 2^674624704428 is an apocalyptic number.

It is an amenable number.

674624704428 is an abundant number, since it is smaller than the sum of its proper divisors (1074402307332).

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

674624704428 is a wasteful number, since it uses less digits than its factorization.

674624704428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246525054 (or 6246525046 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 54.

The spelling of 674624704428 in words is "six hundred seventy-four billion, six hundred twenty-four million, seven hundred four thousand, four hundred twenty-eight".