97280472 has 32 divisors (see below), whose sum is σ = 243586800. Its totient is φ = 32375424.

The previous prime is 97280431. The next prime is 97280503. The reversal of 97280472 is 27408279.

It is a self number, because there is not a number n which added to its sum of digits gives 97280472.

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, 14158 + ... + 19874.

Almost surely, 2^97280472 is an apocalyptic number.

It is an amenable number.

97280472 is an abundant number, since it is smaller than the sum of its proper divisors (146306328).

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

97280472 is a wasteful number, since it uses less digits than its factorization.

97280472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 97280472 is about 9863.0863323810. The cubic root of 97280472 is about 459.9125101410.

The spelling of 97280472 in words is "ninety-seven million, two hundred eighty thousand, four hundred seventy-two".