70257873 has 16 divisors (see below), whose sum is σ = 110514176. Its totient is φ = 38851920.

The previous prime is 70257853. The next prime is 70257881. The reversal of 70257873 is 37875207.

It is not a de Polignac number, because 70257873 - 2¹³ = 70249681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70257833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53311 + ... + 54612.

It is an arithmetic number, because the mean of its divisors is an integer number (6907136).

Almost surely, 2^70257873 is an apocalyptic number.

It is an amenable number.

70257873 is a deficient number, since it is larger than the sum of its proper divisors (40256303).

70257873 is a wasteful number, since it uses less digits than its factorization.

70257873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107964.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 70257873 is about 8381.9969577661. The cubic root of 70257873 is about 412.6339898973.

The spelling of 70257873 in words is "seventy million, two hundred fifty-seven thousand, eight hundred seventy-three".