704609780 has 48 divisors (see below), whose sum is σ = 1718806656. Its totient is φ = 237617280.

The previous prime is 704609779. The next prime is 704609783. The reversal of 704609780 is 87906407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704609783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32714 + ... + 49793.

It is an arithmetic number, because the mean of its divisors is an integer number (35808472).

Almost surely, 2^704609780 is an apocalyptic number.

704609780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

704609780 is an abundant number, since it is smaller than the sum of its proper divisors (1014196876).

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

704609780 is a wasteful number, since it uses less digits than its factorization.

704609780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82584 (or 82582 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 704609780 is about 26544.4868098820. The cubic root of 704609780 is about 889.8488065348.

The spelling of 704609780 in words is "seven hundred four million, six hundred nine thousand, seven hundred eighty".