9970042 has 8 divisors (see below), whose sum is σ = 15237396. Its totient is φ = 4890912.

The previous prime is 9970027. The next prime is 9970049. The reversal of 9970042 is 2400799.

It can be written as a sum of positive squares in 2 ways, for example, as 9492561 + 477481 = 3081^2 + 691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9969986 and 9970013.

It is not an unprimeable number, because it can be changed into a prime (9970049) 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, 46923 + ... + 47134.

Almost surely, 2^9970042 is an apocalyptic number.

9970042 is a deficient number, since it is larger than the sum of its proper divisors (5267354).

9970042 is a wasteful number, since it uses less digits than its factorization.

9970042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94112.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9970042 is about 3157.5373315291. The cubic root of 9970042 is about 215.2281119561.

It can be divided in two parts, 9 and 970042, that multiplied together give a palindrome (8730378).

The spelling of 9970042 in words is "nine million, nine hundred seventy thousand, forty-two".