69660272 has 40 divisors (see below), whose sum is σ = 148233072. Its totient is φ = 31449600.

The previous prime is 69660257. The next prime is 69660277. The reversal of 69660272 is 27206696.

It is a super-2 number, since 2×69660272² = 9705106990227968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69660277) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26372 + ... + 28892.

Almost surely, 2^69660272 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 69660272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74116536).

69660272 is an abundant number, since it is smaller than the sum of its proper divisors (78572800).

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

69660272 is a wasteful number, since it uses less digits than its factorization.

69660272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 69660272 is about 8346.2729406604. The cubic root of 69660272 is about 411.4607265617.

The spelling of 69660272 in words is "sixty-nine million, six hundred sixty thousand, two hundred seventy-two".