69401268 has 18 divisors (see below), whose sum is σ = 175431074. Its totient is φ = 23133744.

The previous prime is 69401257. The next prime is 69401273. The reversal of 69401268 is 86210496.

It can be written as a sum of positive squares in only one way, i.e., 68260644 + 1140624 = 8262^2 + 1068^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1927813 = 69401268 / (6 + 9 + 4 + 0 + 1 + 2 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 963871 + ... + 963942.

Almost surely, 2^69401268 is an apocalyptic number.

It is an amenable number.

69401268 is an abundant number, since it is smaller than the sum of its proper divisors (106029806).

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

69401268 is a wasteful number, since it uses less digits than its factorization.

69401268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927823 (or 1927818 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 69401268 is about 8330.7423438731. The cubic root of 69401268 is about 410.9501422463.

The spelling of 69401268 in words is "sixty-nine million, four hundred one thousand, two hundred sixty-eight".