97727420 has 24 divisors (see below), whose sum is σ = 234546144. Its totient is φ = 33506496.

The previous prime is 97727411. The next prime is 97727467. The reversal of 97727420 is 2472779.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348887 + ... + 349166.

It is an arithmetic number, because the mean of its divisors is an integer number (9772756).

Almost surely, 2^97727420 is an apocalyptic number.

It is an amenable number.

97727420 is an abundant number, since it is smaller than the sum of its proper divisors (136818724).

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

97727420 is a wasteful number, since it uses less digits than its factorization.

97727420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698069 (or 698067 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 97727420 is about 9885.7179810067. The cubic root of 97727420 is about 460.6157789744.

The spelling of 97727420 in words is "ninety-seven million, seven hundred twenty-seven thousand, four hundred twenty".