97730430 has 32 divisors (see below), whose sum is σ = 268061184. Its totient is φ = 22338336.

The previous prime is 97730393. The next prime is 97730449. The reversal of 97730430 is 3403779.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97730391 and 97730400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232482 + ... + 232901.

It is an arithmetic number, because the mean of its divisors is an integer number (8376912).

Almost surely, 2^97730430 is an apocalyptic number.

97730430 is an abundant number, since it is smaller than the sum of its proper divisors (170330754).

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

97730430 is a wasteful number, since it uses less digits than its factorization.

97730430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465400.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 97730430 is about 9885.8702196620. The cubic root of 97730430 is about 460.6205079074.

The spelling of 97730430 in words is "ninety-seven million, seven hundred thirty thousand, four hundred thirty".