296720172 has 60 divisors (see below), whose sum is σ = 886504080. Its totient is φ = 84776544.

The previous prime is 296720143. The next prime is 296720191. The reversal of 296720172 is 271027692.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63147 + ... + 67682.

It is an arithmetic number, because the mean of its divisors is an integer number (14775068).

Almost surely, 2^296720172 is an apocalyptic number.

It is an amenable number.

296720172 is an abundant number, since it is smaller than the sum of its proper divisors (589783908).

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

296720172 is a wasteful number, since it uses less digits than its factorization.

296720172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130852 (or 130841 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 296720172 is about 17225.5673926870. The cubic root of 296720172 is about 666.9844219677.

The spelling of 296720172 in words is "two hundred ninety-six million, seven hundred twenty thousand, one hundred seventy-two".