70161528 has 64 divisors (see below), whose sum is σ = 185673600. Its totient is φ = 22032000.

The previous prime is 70161517. The next prime is 70161563. The reversal of 70161528 is 82516107.

It is a super-2 number, since 2×70161528² = 9845280022589568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70161495 and 70161504.

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, 114150 + ... + 114762.

It is an arithmetic number, because the mean of its divisors is an integer number (2901150).

Almost surely, 2^70161528 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 70161528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92836800).

70161528 is an abundant number, since it is smaller than the sum of its proper divisors (115512072).

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

70161528 is a wasteful number, since it uses less digits than its factorization.

70161528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 70161528 is about 8376.2478473359. The cubic root of 70161528 is about 412.4452878767.

The spelling of 70161528 in words is "seventy million, one hundred sixty-one thousand, five hundred twenty-eight".