704781504 has 126 divisors (see below), whose sum is σ = 2350040004. Its totient is φ = 201358080.

The previous prime is 704781503. The next prime is 704781523. The reversal of 704781504 is 405187407.

704781504 is a `hidden beast` number, since 70 + 4 + 7 + 81 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (126).

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

It is not an unprimeable number, because it can be changed into a prime (704781503) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15739 + ... + 40709.

Almost surely, 2^704781504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704781504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175020002).

704781504 is an abundant number, since it is smaller than the sum of its proper divisors (1645258500).

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

704781504 is a wasteful number, since it uses less digits than its factorization.

704781504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003 (or 24983 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 704781504 is about 26547.7212581419. The cubic root of 704781504 is about 889.9210905084.

The spelling of 704781504 in words is "seven hundred four million, seven hundred eighty-one thousand, five hundred four".