70073857 has 8 divisors (see below), whose sum is σ = 82668032. Its totient is φ = 58125600.

The previous prime is 70073849. The next prime is 70073891. The reversal of 70073857 is 75837007.

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

It is a cyclic number.

It is not a de Polignac number, because 70073857 - 2³ = 70073849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70073837) 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 7 ways as a sum of consecutive naturals, for example, 161244 + ... + 161677.

It is an arithmetic number, because the mean of its divisors is an integer number (10333504).

Almost surely, 2^70073857 is an apocalyptic number.

It is an amenable number.

70073857 is a deficient number, since it is larger than the sum of its proper divisors (12594175).

70073857 is a wasteful number, since it uses less digits than its factorization.

70073857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322959.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 70073857 is about 8371.0129016744. The cubic root of 70073857 is about 412.2734246373.

The spelling of 70073857 in words is "seventy million, seventy-three thousand, eight hundred fifty-seven".