70139600 has 30 divisors (see below), whose sum is σ = 168511350. Its totient is φ = 28055680.

The previous prime is 70139591. The next prime is 70139611. The reversal of 70139600 is 693107.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21307456 + 48832144 = 4616^2 + 6988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70139600.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 87275 + ... + 88074.

It is an arithmetic number, because the mean of its divisors is an integer number (5617045).

Almost surely, 2^70139600 is an apocalyptic number.

It is an amenable number.

70139600 is an abundant number, since it is smaller than the sum of its proper divisors (98371750).

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

70139600 is a wasteful number, since it uses less digits than its factorization.

70139600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175367 (or 175356 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 70139600 is about 8374.9388057466. The cubic root of 70139600 is about 412.4023154059.

The spelling of 70139600 in words is "seventy million, one hundred thirty-nine thousand, six hundred".