69275540 has 48 divisors (see below), whose sum is σ = 153957888. Its totient is φ = 26129664.

The previous prime is 69275533. The next prime is 69275573. The reversal of 69275540 is 4557296.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 69275494 and 69275503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32549 + ... + 34611.

It is an arithmetic number, because the mean of its divisors is an integer number (3207456).

Almost surely, 2^69275540 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 69275540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76978944).

69275540 is an abundant number, since it is smaller than the sum of its proper divisors (84682348).

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

69275540 is a wasteful number, since it uses less digits than its factorization.

69275540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 69275540 is about 8323.1928969597. The cubic root of 69275540 is about 410.7018318377.

The spelling of 69275540 in words is "sixty-nine million, two hundred seventy-five thousand, five hundred forty".