9970642 has 12 divisors (see below), whose sum is σ = 16439598. Its totient is φ = 4532000.

The previous prime is 9970621. The next prime is 9970679. The reversal of 9970642 is 2460799.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 3059001 = 2629^2 + 1749^2 .

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20359 + ... + 20842.

Almost surely, 2^9970642 is an apocalyptic number.

9970642 is a deficient number, since it is larger than the sum of its proper divisors (6468956).

9970642 is a wasteful number, since it uses less digits than its factorization.

9970642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41225 (or 41214 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9970642 is about 3157.6323408529. The cubic root of 9970642 is about 215.2324293661.

The spelling of 9970642 in words is "nine million, nine hundred seventy thousand, six hundred forty-two".