704420287 has 8 divisors (see below), whose sum is σ = 737418240. Its totient is φ = 671619960.

The previous prime is 704420273. The next prime is 704420309. The reversal of 704420287 is 782024407.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704420287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704420207) 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, 42087 + ... + 56392.

It is an arithmetic number, because the mean of its divisors is an integer number (92177280).

Almost surely, 2^704420287 is an apocalyptic number.

704420287 is a deficient number, since it is larger than the sum of its proper divisors (32997953).

704420287 is a wasteful number, since it uses less digits than its factorization.

704420287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98813.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 704420287 is about 26540.9172222815. The cubic root of 704420287 is about 889.7690294048.

The spelling of 704420287 in words is "seven hundred four million, four hundred twenty thousand, two hundred eighty-seven".