9751972 has 6 divisors (see below), whose sum is σ = 17065958. Its totient is φ = 4875984.

The previous prime is 9751969. The next prime is 9751981. The reversal of 9751972 is 2791579.

It can be written as a sum of positive squares in only one way, i.e., 6270016 + 3481956 = 2504^2 + 1866^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1218993 + ... + 1219000.

Almost surely, 2^9751972 is an apocalyptic number.

It is an amenable number.

9751972 is a deficient number, since it is larger than the sum of its proper divisors (7313986).

9751972 is a wasteful number, since it uses less digits than its factorization.

9751972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437997 (or 2437995 counting only the distinct ones).

The product of its digits is 39690, while the sum is 40.

The square root of 9751972 is about 3122.8147559534. The cubic root of 9751972 is about 213.6473359908.

The spelling of 9751972 in words is "nine million, seven hundred fifty-one thousand, nine hundred seventy-two".