97672207 has 4 divisors (see below), whose sum is σ = 97734816. Its totient is φ = 97609600.

The previous prime is 97672177. The next prime is 97672213. The reversal of 97672207 is 70227679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97672207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97672207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97672247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28903 + ... + 32104.

It is an arithmetic number, because the mean of its divisors is an integer number (24433704).

Almost surely, 2^97672207 is an apocalyptic number.

97672207 is a deficient number, since it is larger than the sum of its proper divisors (62609).

97672207 is a wasteful number, since it uses less digits than its factorization.

97672207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62608.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 97672207 is about 9882.9250224820. The cubic root of 97672207 is about 460.5290180294.

It can be divided in two parts, 97672 and 207, that added together give a palindrome (97879).

The spelling of 97672207 in words is "ninety-seven million, six hundred seventy-two thousand, two hundred seven".