70157238 has 8 divisors (see below), whose sum is σ = 140314488. Its totient is φ = 23385744.

The previous prime is 70157233. The next prime is 70157239. The reversal of 70157238 is 83275107.

It is a sphenic number, since it is the product of 3 distinct primes.

70157238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 70157199 and 70157208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70157231) 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 3 ways as a sum of consecutive naturals, for example, 5846431 + ... + 5846442.

It is an arithmetic number, because the mean of its divisors is an integer number (17539311).

Almost surely, 2^70157238 is an apocalyptic number.

70157238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70157238 is a wasteful number, since it uses less digits than its factorization.

70157238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11692878.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 70157238 is about 8375.9917621736. The cubic root of 70157238 is about 412.4368814352.

The spelling of 70157238 in words is "seventy million, one hundred fifty-seven thousand, two hundred thirty-eight".