704934720 has 336 divisors, whose sum is σ = 2814888960. Its totient is φ = 158588928.

The previous prime is 704934683. The next prime is 704934721. The reversal of 704934720 is 27439407.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×704934720² = 993865918922956800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704934721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1471441 + ... + 1471919.

Almost surely, 2^704934720 is an apocalyptic number.

704934720 is a gapful number since it is divisible by the number (70) 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 704934720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407444480).

704934720 is an abundant number, since it is smaller than the sum of its proper divisors (2109954240).

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

704934720 is a wasteful number, since it uses less digits than its factorization.

704934720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 704934720 is about 26550.6067727274. The cubic root of 704934720 is about 889.9855739782.

The spelling of 704934720 in words is "seven hundred four million, nine hundred thirty-four thousand, seven hundred twenty".