704628756 has 144 divisors (see below), whose sum is σ = 2040438400. Its totient is φ = 203233536.

The previous prime is 704628739. The next prime is 704628761. The reversal of 704628756 is 657826407.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 968865 + ... + 969591.

Almost surely, 2^704628756 is an apocalyptic number.

704628756 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704628756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020219200).

704628756 is an abundant number, since it is smaller than the sum of its proper divisors (1335809644).

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

704628756 is a wasteful number, since it uses less digits than its factorization.

704628756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 704628756 is about 26544.8442451637. The cubic root of 704628756 is about 889.8567947007.

The spelling of 704628756 in words is "seven hundred four million, six hundred twenty-eight thousand, seven hundred fifty-six".