97973790 has 32 divisors (see below), whose sum is σ = 245362176. Its totient is φ = 24990240.

The previous prime is 97973789. The next prime is 97973791. The reversal of 97973790 is 9737979.

It is an interprime number because it is at equal distance from previous prime (97973789) and next prime (97973791).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97973791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70306 + ... + 71685.

It is an arithmetic number, because the mean of its divisors is an integer number (7667568).

Almost surely, 2^97973790 is an apocalyptic number.

97973790 is an abundant number, since it is smaller than the sum of its proper divisors (147388386).

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

97973790 is a wasteful number, since it uses less digits than its factorization.

97973790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142024.

The product of its (nonzero) digits is 750141, while the sum is 51.

The square root of 97973790 is about 9898.1710431776. The cubic root of 97973790 is about 461.0025236584.

The spelling of 97973790 in words is "ninety-seven million, nine hundred seventy-three thousand, seven hundred ninety".