69472656 has 120 divisors (see below), whose sum is σ = 215879040. Its totient is φ = 20678400.

The previous prime is 69472633. The next prime is 69472699. The reversal of 69472656 is 65627496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96265 + ... + 96983.

It is an arithmetic number, because the mean of its divisors is an integer number (1798992).

Almost surely, 2^69472656 is an apocalyptic number.

69472656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69472656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107939520).

69472656 is an abundant number, since it is smaller than the sum of its proper divisors (146406384).

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

69472656 is a wasteful number, since it uses less digits than its factorization.

69472656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 796 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 69472656 is about 8335.0258547889. The cubic root of 69472656 is about 411.0909987293.

The spelling of 69472656 in words is "sixty-nine million, four hundred seventy-two thousand, six hundred fifty-six".