70882157 has 4 divisors (see below), whose sum is σ = 72390336. Its totient is φ = 69373980.

The previous prime is 70882139. The next prime is 70882199. The reversal of 70882157 is 75128807.

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: 75128807 = 13 ⋅5779139.

It is a cyclic number.

It is not a de Polignac number, because 70882157 - 2⁶ = 70882093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70882157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70882117) 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, 754019 + ... + 754112.

It is an arithmetic number, because the mean of its divisors is an integer number (18097584).

Almost surely, 2^70882157 is an apocalyptic number.

It is an amenable number.

70882157 is a deficient number, since it is larger than the sum of its proper divisors (1508179).

70882157 is a wasteful number, since it uses less digits than its factorization.

70882157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508178.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 70882157 is about 8419.1541736685. The cubic root of 70882157 is about 413.8525558792.

The spelling of 70882157 in words is "seventy million, eight hundred eighty-two thousand, one hundred fifty-seven".