70142697 has 12 divisors (see below), whose sum is σ = 107277300. Its totient is φ = 44011008.

The previous prime is 70142693. The next prime is 70142701. The reversal of 70142697 is 79624107.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70142693) and next prime (70142701).

It can be written as a sum of positive squares in 2 ways, for example, as 40755456 + 29387241 = 6384^2 + 5421^2 .

It is not a de Polignac number, because 70142697 - 2² = 70142693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70142693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229072 + ... + 229377.

It is an arithmetic number, because the mean of its divisors is an integer number (8939775).

Almost surely, 2^70142697 is an apocalyptic number.

It is an amenable number.

70142697 is a deficient number, since it is larger than the sum of its proper divisors (37134603).

70142697 is a wasteful number, since it uses less digits than its factorization.

70142697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458472 (or 458469 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 70142697 is about 8375.1237005790. The cubic root of 70142697 is about 412.4083851638.

The spelling of 70142697 in words is "seventy million, one hundred forty-two thousand, six hundred ninety-seven".