689030074 has 4 divisors (see below), whose sum is σ = 1033545114. Its totient is φ = 344515036.

The previous prime is 689030059. The next prime is 689030081. The reversal of 689030074 is 470030986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 622851849 + 66178225 = 24957^2 + 8135^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172257517 + ... + 172257520.

Almost surely, 2^689030074 is an apocalyptic number.

689030074 is a deficient number, since it is larger than the sum of its proper divisors (344515040).

689030074 is a wasteful number, since it uses less digits than its factorization.

689030074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344515039.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 689030074 is about 26249.3823546384. The cubic root of 689030074 is about 883.2413495136.

The spelling of 689030074 in words is "six hundred eighty-nine million, thirty thousand, seventy-four".