69130818 has 12 divisors (see below), whose sum is σ = 149783478. Its totient is φ = 23043600.

The previous prime is 69130769. The next prime is 69130871. The reversal of 69130818 is 81803196.

It can be written as a sum of positive squares in only one way, i.e., 68608089 + 522729 = 8283^2 + 723^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1920283 + ... + 1920318.

Almost surely, 2^69130818 is an apocalyptic number.

69130818 is an abundant number, since it is smaller than the sum of its proper divisors (80652660).

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

69130818 is a wasteful number, since it uses less digits than its factorization.

69130818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840609 (or 3840606 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 69130818 is about 8314.4944524607. The cubic root of 69130818 is about 410.4156364094.

The spelling of 69130818 in words is "sixty-nine million, one hundred thirty thousand, eight hundred eighteen".