97406720 has 36 divisors (see below), whose sum is σ = 233322600. Its totient is φ = 38962176.

The previous prime is 97406707. The next prime is 97406759. The reversal of 97406720 is 2760479.

It is a super-3 number, since 3×97406720³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36770 + ... + 39329.

Almost surely, 2^97406720 is an apocalyptic number.

It is an amenable number.

97406720 is an abundant number, since it is smaller than the sum of its proper divisors (135915880).

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

97406720 is an equidigital number, since it uses as much as digits as its factorization.

97406720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76120 (or 76106 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 97406720 is about 9869.4842823726. The cubic root of 97406720 is about 460.1113781972. Note that the first 3 decimals are identical.

The spelling of 97406720 in words is "ninety-seven million, four hundred six thousand, seven hundred twenty".