69628860 has 144 divisors (see below), whose sum is σ = 245009856. Its totient is φ = 15676416.

The previous prime is 69628849. The next prime is 69628861. The reversal of 69628860 is 6882696.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69628861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91602 + ... + 92358.

Almost surely, 2^69628860 is an apocalyptic number.

69628860 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 69628860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122504928).

69628860 is an abundant number, since it is smaller than the sum of its proper divisors (175380996).

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

69628860 is a wasteful number, since it uses less digits than its factorization.

69628860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 69628860 is about 8344.3909304394. The cubic root of 69628860 is about 411.3988704171.

The spelling of 69628860 in words is "sixty-nine million, six hundred twenty-eight thousand, eight hundred sixty".