70825930 has 16 divisors (see below), whose sum is σ = 145699200. Its totient is φ = 24283152.

The previous prime is 70825919. The next prime is 70825943. The reversal of 70825930 is 3952807.

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, 505830 + ... + 505969.

It is an arithmetic number, because the mean of its divisors is an integer number (9106200).

Almost surely, 2^70825930 is an apocalyptic number.

70825930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70825930 is an abundant number, since it is smaller than the sum of its proper divisors (74873270).

70825930 is a wasteful number, since it uses less digits than its factorization.

70825930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011813.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 70825930 is about 8415.8142802702. The cubic root of 70825930 is about 413.7430979459.

The spelling of 70825930 in words is "seventy million, eight hundred twenty-five thousand, nine hundred thirty".