69397272 has 96 divisors (see below), whose sum is σ = 226137600. Its totient is φ = 18781632.

The previous prime is 69397249. The next prime is 69397277. The reversal of 69397272 is 27279396.

It is a happy number.

It is a super-2 number, since 2×69397272² = 9631962722083968, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69397277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5953 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (2355600).

Almost surely, 2^69397272 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 69397272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113068800).

69397272 is an abundant number, since it is smaller than the sum of its proper divisors (156740328).

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

69397272 is a wasteful number, since it uses less digits than its factorization.

69397272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285 (or 7278 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 69397272 is about 8330.5025058516. The cubic root of 69397272 is about 410.9422548386.

The spelling of 69397272 in words is "sixty-nine million, three hundred ninety-seven thousand, two hundred seventy-two".