9198970072 has 8 divisors (see below), whose sum is σ = 17248068900. Its totient is φ = 4599485032.

The previous prime is 9198970063. The next prime is 9198970093. The reversal of 9198970072 is 2700798919.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574935622 + ... + 574935637.

Almost surely, 2^9198970072 is an apocalyptic number.

It is an amenable number.

9198970072 is a deficient number, since it is larger than the sum of its proper divisors (8049098828).

9198970072 is a wasteful number, since it uses less digits than its factorization.

9198970072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149871265 (or 1149871261 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 52.

The square root of 9198970072 is about 95911.2614451504. The cubic root of 9198970072 is about 2095.3009117727.

The spelling of 9198970072 in words is "nine billion, one hundred ninety-eight million, nine hundred seventy thousand, seventy-two".