97672247 has 2 divisors, whose sum is σ = 97672248. Its totient is φ = 97672246.

The previous prime is 97672241. The next prime is 97672297. The reversal of 97672247 is 74227679.

It is a weak prime.

It is an emirp because it is prime and its reverse (74227679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97672247 - 2⁸ = 97671991 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97672198 and 97672207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97672241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48836123 + 48836124.

It is an arithmetic number, because the mean of its divisors is an integer number (48836124).

Almost surely, 2^97672247 is an apocalyptic number.

97672247 is a deficient number, since it is larger than the sum of its proper divisors (1).

97672247 is an equidigital number, since it uses as much as digits as its factorization.

97672247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 44.

The square root of 97672247 is about 9882.9270461741. The cubic root of 97672247 is about 460.5290808967.

The spelling of 97672247 in words is "ninety-seven million, six hundred seventy-two thousand, two hundred forty-seven".