9947073372 has 24 divisors (see below), whose sum is σ = 23218196736. Its totient is φ = 3314497008.

The previous prime is 9947073343. The next prime is 9947073391. The reversal of 9947073372 is 2733707499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114228 + ... + 181499.

It is an arithmetic number, because the mean of its divisors is an integer number (967424864).

Almost surely, 2^9947073372 is an apocalyptic number.

It is an amenable number.

9947073372 is an abundant number, since it is smaller than the sum of its proper divisors (13271123364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9947073372 is a wasteful number, since it uses less digits than its factorization.

9947073372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298537 (or 298535 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 51.

The square root of 9947073372 is about 99735.0157768073. The cubic root of 9947073372 is about 2150.6270658402.

The spelling of 9947073372 in words is "nine billion, nine hundred forty-seven million, seventy-three thousand, three hundred seventy-two".