96721972 has 6 divisors (see below), whose sum is σ = 169263458. Its totient is φ = 48360984.

The previous prime is 96721967. The next prime is 96721973. The reversal of 96721972 is 27912769.

It can be written as a sum of positive squares in only one way, i.e., 94750756 + 1971216 = 9734^2 + 1404^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96721973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12090243 + ... + 12090250.

Almost surely, 2^96721972 is an apocalyptic number.

It is an amenable number.

96721972 is a deficient number, since it is larger than the sum of its proper divisors (72541486).

96721972 is a wasteful number, since it uses less digits than its factorization.

96721972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180497 (or 24180495 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 96721972 is about 9834.7329399430. The cubic root of 96721972 is about 459.0306809881.

The spelling of 96721972 in words is "ninety-six million, seven hundred twenty-one thousand, nine hundred seventy-two".