70869328 has 20 divisors (see below), whose sum is σ = 145386900. Its totient is φ = 33350144.

The previous prime is 70869313. The next prime is 70869347. The reversal of 70869328 is 82396807.

It can be written as a sum of positive squares in 2 ways, for example, as 52823824 + 18045504 = 7268^2 + 4248^2 .

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, 130003 + ... + 130546.

It is an arithmetic number, because the mean of its divisors is an integer number (7269345).

Almost surely, 2^70869328 is an apocalyptic number.

It is an amenable number.

70869328 is an abundant number, since it is smaller than the sum of its proper divisors (74517572).

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

70869328 is a wasteful number, since it uses less digits than its factorization.

70869328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260574 (or 260568 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 70869328 is about 8418.3922455538. The cubic root of 70869328 is about 413.8275865733.

The spelling of 70869328 in words is "seventy million, eight hundred sixty-nine thousand, three hundred twenty-eight".