69775680 has 112 divisors (see below), whose sum is σ = 238621824. Its totient is φ = 17172480.

The previous prime is 69775679. The next prime is 69775691. The reversal of 69775680 is 8657796.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 9685 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (2130552).

Almost surely, 2^69775680 is an apocalyptic number.

69775680 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 69775680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119310912).

69775680 is an abundant number, since it is smaller than the sum of its proper divisors (168846144).

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

69775680 is a wasteful number, since it uses less digits than its factorization.

69775680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 69775680 is about 8353.1838241475. The cubic root of 69775680 is about 411.6878271198.

The spelling of 69775680 in words is "sixty-nine million, seven hundred seventy-five thousand, six hundred eighty".