69770880 has 96 divisors (see below), whose sum is σ = 240947460. Its totient is φ = 18604032.

The previous prime is 69770849. The next prime is 69770881. The reversal of 69770880 is 8807796.

It can be written as a sum of positive squares in 2 ways, for example, as 67765824 + 2005056 = 8232^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (69770881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297 + ... + 11816.

Almost surely, 2^69770880 is an apocalyptic number.

69770880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69770880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120473730).

69770880 is an abundant number, since it is smaller than the sum of its proper divisors (171176580).

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

69770880 is a wasteful number, since it uses less digits than its factorization.

69770880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12138 (or 12123 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 69770880 is about 8352.8965036088. The cubic root of 69770880 is about 411.6783866438.

The spelling of 69770880 in words is "sixty-nine million, seven hundred seventy thousand, eight hundred eighty".