69505230 has 64 divisors (see below), whose sum is σ = 178560000. Its totient is φ = 17262720.

The previous prime is 69505229. The next prime is 69505273. The reversal of 69505230 is 3250596.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33771 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (2790000).

Almost surely, 2^69505230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69505230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89280000).

69505230 is an abundant number, since it is smaller than the sum of its proper divisors (109054770).

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

69505230 is a wasteful number, since it uses less digits than its factorization.

69505230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 69505230 is about 8336.9796689209. The cubic root of 69505230 is about 411.1552388041.

The spelling of 69505230 in words is "sixty-nine million, five hundred five thousand, two hundred thirty".