69720576 has 80 divisors (see below), whose sum is σ = 195597600. Its totient is φ = 22007808.

The previous prime is 69720571. The next prime is 69720583. The reversal of 69720576 is 67502796.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69720571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27990 + ... + 30378.

It is an arithmetic number, because the mean of its divisors is an integer number (2444970).

Almost surely, 2^69720576 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 69720576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97798800).

69720576 is an abundant number, since it is smaller than the sum of its proper divisors (125877024).

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

69720576 is a wasteful number, since it uses less digits than its factorization.

69720576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 69720576 is about 8349.8847896243. The cubic root of 69720576 is about 411.5794243998.

The spelling of 69720576 in words is "sixty-nine million, seven hundred twenty thousand, five hundred seventy-six".