97113420 has 72 divisors (see below), whose sum is σ = 301785120. Its totient is φ = 25263360.

The previous prime is 97113391. The next prime is 97113463. The reversal of 97113420 is 2431179.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801 + ... + 13959.

It is an arithmetic number, because the mean of its divisors is an integer number (4191460).

Almost surely, 2^97113420 is an apocalyptic number.

97113420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97113420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150892560).

97113420 is an abundant number, since it is smaller than the sum of its proper divisors (204671700).

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

97113420 is a wasteful number, since it uses less digits than its factorization.

97113420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 97113420 is about 9854.6141476975. The cubic root of 97113420 is about 459.6491022761.

Adding to 97113420 its reverse (2431179), we get a palindrome (99544599).

It can be divided in two parts, 9711 and 3420, that added together give a palindrome (13131).

The spelling of 97113420 in words is "ninety-seven million, one hundred thirteen thousand, four hundred twenty".