97739232 has 48 divisors (see below), whose sum is σ = 258325200. Its totient is φ = 32356352.

The previous prime is 97739221. The next prime is 97739281. The reversal of 97739232 is 23293779.

It is a tau number, because it is divible by the number of its divisors (48).

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 in 7 ways as a sum of consecutive naturals, for example, 10888 + ... + 17720.

It is an arithmetic number, because the mean of its divisors is an integer number (5381775).

Almost surely, 2^97739232 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 97739232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129162600).

97739232 is an abundant number, since it is smaller than the sum of its proper divisors (160585968).

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

97739232 is a wasteful number, since it uses less digits than its factorization.

97739232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995 (or 6987 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 97739232 is about 9886.3153904779. The cubic root of 97739232 is about 460.6343359443.

The spelling of 97739232 in words is "ninety-seven million, seven hundred thirty-nine thousand, two hundred thirty-two".