97453620 has 144 divisors (see below), whose sum is σ = 326918592. Its totient is φ = 23301120.

The previous prime is 97453583. The next prime is 97453627. The reversal of 97453620 is 2635479.

It is a super-3 number, since 3×97453620³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97453627) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 164044 + ... + 164636.

It is an arithmetic number, because the mean of its divisors is an integer number (2270268).

Almost surely, 2^97453620 is an apocalyptic number.

97453620 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 97453620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163459296).

97453620 is an abundant number, since it is smaller than the sum of its proper divisors (229464972).

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

97453620 is a wasteful number, since it uses less digits than its factorization.

97453620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 97453620 is about 9871.8600071111. The cubic root of 97453620 is about 460.1852121216.

The spelling of 97453620 in words is "ninety-seven million, four hundred fifty-three thousand, six hundred twenty".