70043157 has 16 divisors (see below), whose sum is σ = 105727680. Its totient is φ = 45813456.

The previous prime is 70043147. The next prime is 70043161. The reversal of 70043157 is 75134007.

It is not a de Polignac number, because 70043157 - 2⁶ = 70043093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 70043157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70043117) 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 15 ways as a sum of consecutive naturals, for example, 23043 + ... + 25904.

It is an arithmetic number, because the mean of its divisors is an integer number (6607980).

Almost surely, 2^70043157 is an apocalyptic number.

It is an amenable number.

70043157 is a deficient number, since it is larger than the sum of its proper divisors (35684523).

70043157 is a wasteful number, since it uses less digits than its factorization.

70043157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49009 (or 49003 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70043157 is about 8369.1789919920. The cubic root of 70043157 is about 412.2132089189.

The spelling of 70043157 in words is "seventy million, forty-three thousand, one hundred fifty-seven".