674067400740 has 72 divisors (see below), whose sum is σ = 2046690100728. Its totient is φ = 179573813760.

The previous prime is 674067400651. The next prime is 674067400753. The reversal of 674067400740 is 47004760476.

It can be written as a sum of positive squares in 4 ways, for example, as 19123570944 + 654943829796 = 138288^2 + 809286^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666041 + ... + 2030720.

It is an arithmetic number, because the mean of its divisors is an integer number (28426251399).

Almost surely, 2^674067400740 is an apocalyptic number.

674067400740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674067400740 is an abundant number, since it is smaller than the sum of its proper divisors (1372622699988).

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

674067400740 is a wasteful number, since it uses less digits than its factorization.

674067400740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697789 (or 3697784 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 674067400740 in words is "six hundred seventy-four billion, sixty-seven million, four hundred thousand, seven hundred forty".