1970715057 has 4 divisors (see below), whose sum is σ = 2627620080. Its totient is φ = 1313810036.

The previous prime is 1970715041. The next prime is 1970715073. The reversal of 1970715057 is 7505170791.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (1970715041) and next prime (1970715073).

It is a cyclic number.

It is not a de Polignac number, because 1970715057 - 2⁴ = 1970715041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1970715037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328452507 + ... + 328452512.

It is an arithmetic number, because the mean of its divisors is an integer number (656905020).

Almost surely, 2^1970715057 is an apocalyptic number.

It is an amenable number.

1970715057 is a deficient number, since it is larger than the sum of its proper divisors (656905023).

1970715057 is an equidigital number, since it uses as much as digits as its factorization.

1970715057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656905022.

The product of its (nonzero) digits is 77175, while the sum is 42.

The square root of 1970715057 is about 44392.7365342575. The cubic root of 1970715057 is about 1253.7413362436.

The spelling of 1970715057 in words is "one billion, nine hundred seventy million, seven hundred fifteen thousand, fifty-seven".