704497387 has 8 divisors (see below), whose sum is σ = 769795632. Its totient is φ = 639408000.

The previous prime is 704497379. The next prime is 704497397. The reversal of 704497387 is 783794407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 704497387 - 2³ = 704497379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 704497387.

It is not an unprimeable number, because it can be changed into a prime (704497307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45114 + ... + 58687.

It is an arithmetic number, because the mean of its divisors is an integer number (96224454).

Almost surely, 2^704497387 is an apocalyptic number.

704497387 is a deficient number, since it is larger than the sum of its proper divisors (65298245).

704497387 is a wasteful number, since it uses less digits than its factorization.

704497387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104429.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 704497387 is about 26542.3696568336. The cubic root of 704497387 is about 889.8014904657.

The spelling of 704497387 in words is "seven hundred four million, four hundred ninety-seven thousand, three hundred eighty-seven".