704214840 has 64 divisors (see below), whose sum is σ = 2414453760. Its totient is φ = 160963200.

The previous prime is 704214839. The next prime is 704214881. The reversal of 704214840 is 48412407.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 704214798 and 704214807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418336 + ... + 420015.

It is an arithmetic number, because the mean of its divisors is an integer number (37725840).

Almost surely, 2^704214840 is an apocalyptic number.

704214840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

704214840 is an abundant number, since it is smaller than the sum of its proper divisors (1710238920).

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

704214840 is a wasteful number, since it uses less digits than its factorization.

704214840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838372 (or 838368 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 704214840 is about 26537.0465575957. The cubic root of 704214840 is about 889.6825194261.

The spelling of 704214840 in words is "seven hundred four million, two hundred fourteen thousand, eight hundred forty".