70899828 has 48 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 23080288.

The previous prime is 70899827. The next prime is 70899889. The reversal of 70899828 is 82899807.

It is a super-2 number, since 2×70899828² = 10053571220859168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70899827) 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, 169003 + ... + 169421.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^70899828 is an apocalyptic number.

It is an amenable number.

70899828 is an abundant number, since it is smaller than the sum of its proper divisors (98444172).

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

70899828 is a wasteful number, since it uses less digits than its factorization.

70899828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 70899828 is about 8420.2035604847. The cubic root of 70899828 is about 413.8869443214.

The spelling of 70899828 in words is "seventy million, eight hundred ninety-nine thousand, eight hundred twenty-eight".