690174468 has 72 divisors (see below), whose sum is σ = 1886131520. Its totient is φ = 212051520.

The previous prime is 690174439. The next prime is 690174481. The reversal of 690174468 is 864471096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11673 + ... + 38943.

Almost surely, 2^690174468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690174468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943065760).

690174468 is an abundant number, since it is smaller than the sum of its proper divisors (1195957052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690174468 is a wasteful number, since it uses less digits than its factorization.

690174468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27337 (or 27332 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 690174468 is about 26271.1718048510. The cubic root of 690174468 is about 883.7300640431.

The spelling of 690174468 in words is "six hundred ninety million, one hundred seventy-four thousand, four hundred sixty-eight".