70238320318 has 4 divisors (see below), whose sum is σ = 105357480480. Its totient is φ = 35119160158.

The previous prime is 70238320291. The next prime is 70238320333. The reversal of 70238320318 is 81302383207.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×70238320318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17559580078 + ... + 17559580081.

It is an arithmetic number, because the mean of its divisors is an integer number (26339370120).

Almost surely, 2^70238320318 is an apocalyptic number.

70238320318 is a deficient number, since it is larger than the sum of its proper divisors (35119160162).

70238320318 is a wasteful number, since it uses less digits than its factorization.

70238320318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35119160161.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 70238320318 in words is "seventy billion, two hundred thirty-eight million, three hundred twenty thousand, three hundred eighteen".