69972882 has 72 divisors (see below), whose sum is σ = 169196976. Its totient is φ = 19234656.

The previous prime is 69972871. The next prime is 69972893. The reversal of 69972882 is 28827996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69972871) and next prime (69972893).

It is a super-3 number, since 3×69972882³ (a number of 25 digits) contains 333 as substring.

Its product of digits (870912) is a multiple of the sum of its prime divisors (324).

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 35 ways as a sum of consecutive naturals, for example, 247113 + ... + 247395.

It is an arithmetic number, because the mean of its divisors is an integer number (2349958).

Almost surely, 2^69972882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69972882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84598488).

69972882 is an abundant number, since it is smaller than the sum of its proper divisors (99224094).

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

69972882 is a wasteful number, since it uses less digits than its factorization.

69972882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 324 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 69972882 is about 8364.9794978828. The cubic root of 69972882 is about 412.0753035761.

The spelling of 69972882 in words is "sixty-nine million, nine hundred seventy-two thousand, eight hundred eighty-two".