69133540 has 24 divisors (see below), whose sum is σ = 165920832. Its totient is φ = 23702880.

The previous prime is 69133529. The next prime is 69133553. The reversal of 69133540 is 4533196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246766 + ... + 247045.

It is an arithmetic number, because the mean of its divisors is an integer number (6913368).

Almost surely, 2^69133540 is an apocalyptic number.

It is an amenable number.

69133540 is an abundant number, since it is smaller than the sum of its proper divisors (96787292).

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

69133540 is a wasteful number, since it uses less digits than its factorization.

69133540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493827 (or 493825 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 69133540 is about 8314.6581408979. The cubic root of 69133540 is about 410.4210229925.

The spelling of 69133540 in words is "sixty-nine million, one hundred thirty-three thousand, five hundred forty".