97672297 has 2 divisors, whose sum is σ = 97672298. Its totient is φ = 97672296.

The previous prime is 97672247. The next prime is 97672301. The reversal of 97672297 is 79227679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87310336 + 10361961 = 9344^2 + 3219^2 .

It is a cyclic number.

It is not a de Polignac number, because 97672297 - 2¹¹ = 97670249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97672297.

It is not a weakly prime, because it can be changed into another prime (97672247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48836148 + 48836149.

It is an arithmetic number, because the mean of its divisors is an integer number (48836149).

Almost surely, 2^97672297 is an apocalyptic number.

It is an amenable number.

97672297 is a deficient number, since it is larger than the sum of its proper divisors (1).

97672297 is an equidigital number, since it uses as much as digits as its factorization.

97672297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 49.

The square root of 97672297 is about 9882.9295757887. The cubic root of 97672297 is about 460.5291594807.

It can be divided in two parts, 97672 and 297, that added together give a square (97969 = 313²).

The spelling of 97672297 in words is "ninety-seven million, six hundred seventy-two thousand, two hundred ninety-seven".