97672021 has 8 divisors (see below), whose sum is σ = 103503744. Its totient is φ = 91849920.

The previous prime is 97672019. The next prime is 97672031. The reversal of 97672021 is 12027679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97672021 - 2¹ = 97672019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97672031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39306 + ... + 41716.

It is an arithmetic number, because the mean of its divisors is an integer number (12937968).

Almost surely, 2^97672021 is an apocalyptic number.

It is an amenable number.

97672021 is a deficient number, since it is larger than the sum of its proper divisors (5831723).

97672021 is a wasteful number, since it uses less digits than its factorization.

97672021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 97672021 is about 9882.9156123079. The cubic root of 97672021 is about 460.5287256963.

The spelling of 97672021 in words is "ninety-seven million, six hundred seventy-two thousand, twenty-one".