69009472 has 56 divisors (see below), whose sum is σ = 161584640. Its totient is φ = 28615680.

The previous prime is 69009467. The next prime is 69009491. The reversal of 69009472 is 27490096.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11404 + ... + 16372.

It is an arithmetic number, because the mean of its divisors is an integer number (2885440).

Almost surely, 2^69009472 is an apocalyptic number.

69009472 is a gapful number since it is divisible by the number (62) 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 69009472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80792320).

69009472 is an abundant number, since it is smaller than the sum of its proper divisors (92575168).

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

69009472 is a wasteful number, since it uses less digits than its factorization.

69009472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 69009472 is about 8307.1939907528. The cubic root of 69009472 is about 410.1753602431.

The spelling of 69009472 in words is "sixty-nine million, nine thousand, four hundred seventy-two".