97733728 has 12 divisors (see below), whose sum is σ = 192413340. Its totient is φ = 48866848.

The previous prime is 97733717. The next prime is 97733737. The reversal of 97733728 is 82733779.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527058 + ... + 1527121.

It is an arithmetic number, because the mean of its divisors is an integer number (16034445).

Almost surely, 2^97733728 is an apocalyptic number.

It is an amenable number.

97733728 is a deficient number, since it is larger than the sum of its proper divisors (94679612).

97733728 is a wasteful number, since it uses less digits than its factorization.

97733728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054189 (or 3054181 counting only the distinct ones).

The product of its digits is 444528, while the sum is 46.

The square root of 97733728 is about 9886.0370219821. The cubic root of 97733728 is about 460.6256891982.

The spelling of 97733728 in words is "ninety-seven million, seven hundred thirty-three thousand, seven hundred twenty-eight".