69725136 has 80 divisors (see below), whose sum is σ = 204223040. Its totient is φ = 20321280.

The previous prime is 69725119. The next prime is 69725153. The reversal of 69725136 is 63152796.

It is an interprime number because it is at equal distance from previous prime (69725119) and next prime (69725153).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 69725094 and 69725103.

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, 8916 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (2552788).

Almost surely, 2^69725136 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 69725136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102111520).

69725136 is an abundant number, since it is smaller than the sum of its proper divisors (134497904).

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

69725136 is a wasteful number, since it uses less digits than its factorization.

69725136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924 (or 5918 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 69725136 is about 8350.1578428195. The cubic root of 69725136 is about 411.5883971755.

The spelling of 69725136 in words is "sixty-nine million, seven hundred twenty-five thousand, one hundred thirty-six".