69257964 has 48 divisors (see below), whose sum is σ = 171158400. Its totient is φ = 21735936.

The previous prime is 69257963. The next prime is 69257977. The reversal of 69257964 is 46975296.

It is not an unprimeable number, because it can be changed into a prime (69257963) 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 15 ways as a sum of consecutive naturals, for example, 39964 + ... + 41660.

It is an arithmetic number, because the mean of its divisors is an integer number (3565800).

Almost surely, 2^69257964 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 69257964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85579200).

69257964 is an abundant number, since it is smaller than the sum of its proper divisors (101900436).

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

69257964 is a wasteful number, since it uses less digits than its factorization.

69257964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1900 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 69257964 is about 8322.1369851739. The cubic root of 69257964 is about 410.6670956429.

The spelling of 69257964 in words is "sixty-nine million, two hundred fifty-seven thousand, nine hundred sixty-four".