70930288 has 80 divisors (see below), whose sum is σ = 167176800. Its totient is φ = 28707840.

The previous prime is 70930283. The next prime is 70930289. The reversal of 70930288 is 88203907.

It is a super-2 number, since 2×70930288² = 10062211511525888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70930283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65818 + ... + 66886.

It is an arithmetic number, because the mean of its divisors is an integer number (2089710).

Almost surely, 2^70930288 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 70930288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83588400).

70930288 is an abundant number, since it is smaller than the sum of its proper divisors (96246512).

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

70930288 is a wasteful number, since it uses less digits than its factorization.

70930288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 70930288 is about 8422.0121111288. The cubic root of 70930288 is about 413.9462072359.

The spelling of 70930288 in words is "seventy million, nine hundred thirty thousand, two hundred eighty-eight".