69247340 has 24 divisors (see below), whose sum is σ = 147057120. Its totient is φ = 27387008.

The previous prime is 69247333. The next prime is 69247349. The reversal of 69247340 is 4374296.

It is a self number, because there is not a number n which added to its sum of digits gives 69247340.

It is not an unprimeable number, because it can be changed into a prime (69247349) 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, 17672 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (6127380).

Almost surely, 2^69247340 is an apocalyptic number.

It is an amenable number.

69247340 is an abundant number, since it is smaller than the sum of its proper divisors (77809780).

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

69247340 is a wasteful number, since it uses less digits than its factorization.

69247340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39001 (or 38999 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 69247340 is about 8321.4986631015. The cubic root of 69247340 is about 410.6460961309.

The spelling of 69247340 in words is "sixty-nine million, two hundred forty-seven thousand, three hundred forty".