9990752 has 12 divisors (see below), whose sum is σ = 19669356. Its totient is φ = 4995360.

The previous prime is 9990737. The next prime is 9990767. The reversal of 9990752 is 2570999.

It is an interprime number because it is at equal distance from previous prime (9990737) and next prime (9990767).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156074 + ... + 156137.

It is an arithmetic number, because the mean of its divisors is an integer number (1639113).

Almost surely, 2^9990752 is an apocalyptic number.

It is an amenable number.

9990752 is a deficient number, since it is larger than the sum of its proper divisors (9678604).

9990752 is a wasteful number, since it uses less digits than its factorization.

9990752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312221 (or 312213 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 9990752 is about 3160.8150847527. The cubic root of 9990752 is about 215.3770344794.

The spelling of 9990752 in words is "nine million, nine hundred ninety thousand, seven hundred fifty-two".