70930128 has 20 divisors (see below), whose sum is σ = 183236288. Its totient is φ = 23643360.

The previous prime is 70930117. The next prime is 70930133. The reversal of 70930128 is 82103907.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70930095 and 70930104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738808 + ... + 738903.

Almost surely, 2^70930128 is an apocalyptic number.

It is an amenable number.

70930128 is an abundant number, since it is smaller than the sum of its proper divisors (112306160).

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

70930128 is a wasteful number, since it uses less digits than its factorization.

70930128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477722 (or 1477716 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 70930128 is about 8422.0026122057. The cubic root of 70930128 is about 413.9458959846.

The spelling of 70930128 in words is "seventy million, nine hundred thirty thousand, one hundred twenty-eight".