70139382 has 16 divisors (see below), whose sum is σ = 148530672. Its totient is φ = 22004480.

The previous prime is 70139357. The next prime is 70139401. The reversal of 70139382 is 28393107.

It is a congruent number.

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, 343719 + ... + 343922.

It is an arithmetic number, because the mean of its divisors is an integer number (9283167).

Almost surely, 2^70139382 is an apocalyptic number.

70139382 is an abundant number, since it is smaller than the sum of its proper divisors (78391290).

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

70139382 is a wasteful number, since it uses less digits than its factorization.

70139382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687663.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 70139382 is about 8374.9257907160. The cubic root of 70139382 is about 412.4018881447.

The spelling of 70139382 in words is "seventy million, one hundred thirty-nine thousand, three hundred eighty-two".