97272432 has 60 divisors (see below), whose sum is σ = 273108264. Its totient is φ = 32319360.

The previous prime is 97272421. The next prime is 97272433. The reversal of 97272432 is 23427279.

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

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97272433) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 52807 + ... + 54617.

Almost surely, 2^97272432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97272432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136554132).

97272432 is an abundant number, since it is smaller than the sum of its proper divisors (175835832).

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

97272432 is a wasteful number, since it uses less digits than its factorization.

97272432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2189 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 97272432 is about 9862.6787436274. The cubic root of 97272432 is about 459.8998395663.

The spelling of 97272432 in words is "ninety-seven million, two hundred seventy-two thousand, four hundred thirty-two".