697434970 has 8 divisors (see below), whose sum is σ = 1255382964. Its totient is φ = 278973984.

The previous prime is 697434967. The next prime is 697435001. The reversal of 697434970 is 79434796.

It can be written as a sum of positive squares in 2 ways, for example, as 651831961 + 45603009 = 25531^2 + 6753^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34871739 + ... + 34871758.

Almost surely, 2^697434970 is an apocalyptic number.

697434970 is a deficient number, since it is larger than the sum of its proper divisors (557947994).

697434970 is a wasteful number, since it uses less digits than its factorization.

697434970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69743504.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 697434970 is about 26408.9941118552. The cubic root of 697434970 is about 886.8181503544.

The spelling of 697434970 in words is "six hundred ninety-seven million, four hundred thirty-four thousand, nine hundred seventy".