97103720 has 64 divisors (see below), whose sum is σ = 250905600. Its totient is φ = 33131520.

The previous prime is 97103707. The next prime is 97103729. The reversal of 97103720 is 2730179.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (97103729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66761 + ... + 68199.

It is an arithmetic number, because the mean of its divisors is an integer number (3920400).

Almost surely, 2^97103720 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 97103720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125452800).

97103720 is an abundant number, since it is smaller than the sum of its proper divisors (153801880).

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

97103720 is a wasteful number, since it uses less digits than its factorization.

97103720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 97103720 is about 9854.1219801665. The cubic root of 97103720 is about 459.6337980242.

Adding to 97103720 its reverse (2730179), we get a palindrome (99833899).

The spelling of 97103720 in words is "ninety-seven million, one hundred three thousand, seven hundred twenty".