673382464 has 28 divisors (see below), whose sum is σ = 1337110864. Its totient is φ = 336472704.

The previous prime is 673382459. The next prime is 673382467. The reversal of 673382464 is 464283376.

It is a happy number.

It is a super-2 number, since 2×673382464² = 906887885645422592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673382464.

It is not an unprimeable number, because it can be changed into a prime (673382467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147967 + ... + 152449.

Almost surely, 2^673382464 is an apocalyptic number.

673382464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

673382464 is a deficient number, since it is larger than the sum of its proper divisors (663728400).

673382464 is a wasteful number, since it uses less digits than its factorization.

673382464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842 (or 6832 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The square root of 673382464 is about 25949.6139470320. The cubic root of 673382464 is about 876.5040641302.

The spelling of 673382464 in words is "six hundred seventy-three million, three hundred eighty-two thousand, four hundred sixty-four".