97872620 has 12 divisors (see below), whose sum is σ = 205532544. Its totient is φ = 39149040.

The previous prime is 97872583. The next prime is 97872631. The reversal of 97872620 is 2627879.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 2446796 + ... + 2446835.

It is an arithmetic number, because the mean of its divisors is an integer number (17127712).

Almost surely, 2^97872620 is an apocalyptic number.

It is an amenable number.

97872620 is an abundant number, since it is smaller than the sum of its proper divisors (107659924).

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

97872620 is a wasteful number, since it uses less digits than its factorization.

97872620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893640 (or 4893638 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 97872620 is about 9893.0591830839. The cubic root of 97872620 is about 460.8437883876.

The spelling of 97872620 in words is "ninety-seven million, eight hundred seventy-two thousand, six hundred twenty".