69270880 has 96 divisors (see below), whose sum is σ = 188891136. Its totient is φ = 23514624.

The previous prime is 69270857. The next prime is 69270881. The reversal of 69270880 is 8807296.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69270881) 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, 141997 + ... + 142483.

It is an arithmetic number, because the mean of its divisors is an integer number (1967616).

Almost surely, 2^69270880 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 69270880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94445568).

69270880 is an abundant number, since it is smaller than the sum of its proper divisors (119620256).

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

69270880 is a wasteful number, since it uses less digits than its factorization.

69270880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 69270880 is about 8322.9129516053. The cubic root of 69270880 is about 410.6926226543.

The spelling of 69270880 in words is "sixty-nine million, two hundred seventy thousand, eight hundred eighty".