674792064 has 48 divisors (see below), whose sum is σ = 1941787770. Its totient is φ = 224930304.

The previous prime is 674792029. The next prime is 674792081. The reversal of 674792064 is 460297476.

It can be written as a sum of positive squares in only one way, i.e., 484352064 + 190440000 = 22008^2 + 13800^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291727 + ... + 294030.

Almost surely, 2^674792064 is an apocalyptic number.

674792064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

674792064 is an abundant number, since it is smaller than the sum of its proper divisors (1266995706).

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

674792064 is a wasteful number, since it uses less digits than its factorization.

674792064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585777 (or 585762 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 674792064 is about 25976.7600751133. The cubic root of 674792064 is about 877.1152368718.

The spelling of 674792064 in words is "six hundred seventy-four million, seven hundred ninety-two thousand, sixty-four".