704653920 has 72 divisors (see below), whose sum is σ = 2404636416. Its totient is φ = 187907328.

The previous prime is 704653907. The next prime is 704653949. The reversal of 704653920 is 29356407.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 243232 + ... + 246111.

It is an arithmetic number, because the mean of its divisors is an integer number (33397728).

Almost surely, 2^704653920 is an apocalyptic number.

It is an amenable number.

704653920 is an abundant number, since it is smaller than the sum of its proper divisors (1699982496).

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

704653920 is a wasteful number, since it uses less digits than its factorization.

704653920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489364 (or 489353 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 704653920 is about 26545.3182312814. The cubic root of 704653920 is about 889.8673875553.

The spelling of 704653920 in words is "seven hundred four million, six hundred fifty-three thousand, nine hundred twenty".