673752456 has 48 divisors (see below), whose sum is σ = 1965114060. Its totient is φ = 207308160.

The previous prime is 673752439. The next prime is 673752461. The reversal of 673752456 is 654257376.

673752456 is a `hidden beast` number, since 6 + 73 + 7 + 524 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 544475556 + 129276900 = 23334^2 + 11370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358975 + ... + 360846.

Almost surely, 2^673752456 is an apocalyptic number.

It is an amenable number.

673752456 is an abundant number, since it is smaller than the sum of its proper divisors (1291361604).

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

673752456 is a wasteful number, since it uses less digits than its factorization.

673752456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719846 (or 719839 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 673752456 is about 25956.7420143592. The cubic root of 673752456 is about 876.6645673268.

The spelling of 673752456 in words is "six hundred seventy-three million, seven hundred fifty-two thousand, four hundred fifty-six".