69090380 has 24 divisors (see below), whose sum is σ = 153625248. Its totient is φ = 26010368.

The previous prime is 69090377. The next prime is 69090389. The reversal of 69090380 is 8309096.

It is a self number, because there is not a number n which added to its sum of digits gives 69090380.

It is not an unprimeable number, because it can be changed into a prime (69090389) 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, 101264 + ... + 101943.

It is an arithmetic number, because the mean of its divisors is an integer number (6401052).

Almost surely, 2^69090380 is an apocalyptic number.

It is an amenable number.

69090380 is an abundant number, since it is smaller than the sum of its proper divisors (84534868).

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

69090380 is a wasteful number, since it uses less digits than its factorization.

69090380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203233 (or 203231 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 69090380 is about 8312.0623193044. The cubic root of 69090380 is about 410.3355967346.

The spelling of 69090380 in words is "sixty-nine million, ninety thousand, three hundred eighty".