673786400 has 72 divisors (see below), whose sum is σ = 1879879680. Its totient is φ = 231010560.

The previous prime is 673786369. The next prime is 673786429. The reversal of 673786400 is 4687376.

It is a super-2 number, since 2×673786400² = 907976225649920000, which contains 22 as substring.

It is a congruent number.

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, 54560 + ... + 65759.

It is an arithmetic number, because the mean of its divisors is an integer number (26109440).

Almost surely, 2^673786400 is an apocalyptic number.

It is an amenable number.

673786400 is an abundant number, since it is smaller than the sum of its proper divisors (1206093280).

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

673786400 is a wasteful number, since it uses less digits than its factorization.

673786400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120346 (or 120333 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 673786400 is about 25957.3958632217. The cubic root of 673786400 is about 876.6792893523.

The spelling of 673786400 in words is "six hundred seventy-three million, seven hundred eighty-six thousand, four hundred".