70339157 has 6 divisors (see below), whose sum is σ = 81823158. Its totient is φ = 60290664.

The previous prime is 70339147. The next prime is 70339163. The reversal of 70339157 is 75193307.

It can be written as a sum of positive squares in only one way, i.e., 70324996 + 14161 = 8386^2 + 119^2 .

It is not a de Polignac number, because 70339157 - 2⁴ = 70339141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70339147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 717698 + ... + 717795.

It is an arithmetic number, because the mean of its divisors is an integer number (13637193).

Almost surely, 2^70339157 is an apocalyptic number.

It is an amenable number.

70339157 is a deficient number, since it is larger than the sum of its proper divisors (11484001).

70339157 is a wasteful number, since it uses less digits than its factorization.

70339157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435507 (or 1435500 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 70339157 is about 8386.8442813731. The cubic root of 70339157 is about 412.7930592103.

The spelling of 70339157 in words is "seventy million, three hundred thirty-nine thousand, one hundred fifty-seven".