70925128 has 32 divisors (see below), whose sum is σ = 136280160. Its totient is φ = 34594560.

The previous prime is 70925111. The next prime is 70925131. The reversal of 70925128 is 82152907.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70925093 and 70925102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59983 + ... + 61153.

It is an arithmetic number, because the mean of its divisors is an integer number (4258755).

Almost surely, 2^70925128 is an apocalyptic number.

It is an amenable number.

70925128 is a deficient number, since it is larger than the sum of its proper divisors (65355032).

70925128 is a wasteful number, since it uses less digits than its factorization.

70925128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 70925128 is about 8421.7057654611. The cubic root of 70925128 is about 413.9361691441.

The spelling of 70925128 in words is "seventy million, nine hundred twenty-five thousand, one hundred twenty-eight".