9970057 has 4 divisors (see below), whose sum is σ = 10239556. Its totient is φ = 9700560.

The previous prime is 9970049. The next prime is 9970073. The reversal of 9970057 is 7500799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9634816 + 335241 = 3104^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 9970057 - 2³ = 9970049 is a prime.

It is a super-3 number, since 3×9970057³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 269461 = 9970057 / (9 + 9 + 7 + 0 + 0 + 5 + 7).

It is a Duffinian number.

9970057 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9969998 and 9970025.

It is not an unprimeable number, because it can be changed into a prime (9970027) 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, 134694 + ... + 134767.

It is an arithmetic number, because the mean of its divisors is an integer number (2559889).

Almost surely, 2^9970057 is an apocalyptic number.

It is an amenable number.

9970057 is a deficient number, since it is larger than the sum of its proper divisors (269499).

9970057 is a wasteful number, since it uses less digits than its factorization.

9970057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269498.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 9970057 is about 3157.5397067970. The cubic root of 9970057 is about 215.2282198935.

The spelling of 9970057 in words is "nine million, nine hundred seventy thousand, fifty-seven".