704731897 has 4 divisors (see below), whose sum is σ = 727465216. Its totient is φ = 681998580.

The previous prime is 704731883. The next prime is 704731901. The reversal of 704731897 is 798137407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 704731897 - 2²³ = 696343289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704731297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11366613 + ... + 11366674.

It is an arithmetic number, because the mean of its divisors is an integer number (181866304).

Almost surely, 2^704731897 is an apocalyptic number.

It is an amenable number.

704731897 is a deficient number, since it is larger than the sum of its proper divisors (22733319).

704731897 is a wasteful number, since it uses less digits than its factorization.

704731897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22733318.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 704731897 is about 26546.7869430558. The cubic root of 704731897 is about 889.9002105851.

The spelling of 704731897 in words is "seven hundred four million, seven hundred thirty-one thousand, eight hundred ninety-seven".