69723472 has 60 divisors (see below), whose sum is σ = 169257396. Its totient is φ = 27578880.

The previous prime is 69723463. The next prime is 69723487. The reversal of 69723472 is 27432796.

It can be written as a sum of positive squares in 2 ways, for example, as 30735936 + 38987536 = 5544^2 + 6244^2 .

It is a super-2 number, since 2×69723472² = 9722725095469568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6772 + ... + 13612.

Almost surely, 2^69723472 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 69723472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84628698).

69723472 is an abundant number, since it is smaller than the sum of its proper divisors (99533924).

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

69723472 is a wasteful number, since it uses less digits than its factorization.

69723472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876 (or 6863 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 69723472 is about 8350.0582033900. The cubic root of 69723472 is about 411.5851229448.

The spelling of 69723472 in words is "sixty-nine million, seven hundred twenty-three thousand, four hundred seventy-two".