70157053 has 4 divisors (see below), whose sum is σ = 70661920. Its totient is φ = 69652188.

The previous prime is 70157051. The next prime is 70157071. The reversal of 70157053 is 35075107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35075107 = 347 ⋅101081.

It is a cyclic number.

It is not a de Polignac number, because 70157053 - 2¹ = 70157051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70157051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252225 + ... + 252502.

It is an arithmetic number, because the mean of its divisors is an integer number (17665480).

Almost surely, 2^70157053 is an apocalyptic number.

It is an amenable number.

70157053 is a deficient number, since it is larger than the sum of its proper divisors (504867).

70157053 is a wasteful number, since it uses less digits than its factorization.

70157053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504866.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 70157053 is about 8375.9807186980. The cubic root of 70157053 is about 412.4365189119.

The spelling of 70157053 in words is "seventy million, one hundred fifty-seven thousand, fifty-three".