69807972 has 48 divisors (see below), whose sum is σ = 179165952. Its totient is φ = 21020160.

The previous prime is 69807961. The next prime is 69807989. The reversal of 69807972 is 27970896.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (3732624).

Almost surely, 2^69807972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69807972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89582976).

69807972 is an abundant number, since it is smaller than the sum of its proper divisors (109357980).

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

69807972 is a wasteful number, since it uses less digits than its factorization.

69807972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588 (or 9586 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 69807972 is about 8355.1165162432. The cubic root of 69807972 is about 411.7513266705.

The spelling of 69807972 in words is "sixty-nine million, eight hundred seven thousand, nine hundred seventy-two".