97742567 has 8 divisors (see below), whose sum is σ = 108106656. Its totient is φ = 87784992.

The previous prime is 97742549. The next prime is 97742573. The reversal of 97742567 is 76524779.

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 97742567 - 2¹² = 97738471 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 (97742167) 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, 101123 + ... + 102084.

It is an arithmetic number, because the mean of its divisors is an integer number (13513332).

Almost surely, 2^97742567 is an apocalyptic number.

97742567 is a deficient number, since it is larger than the sum of its proper divisors (10364089).

97742567 is a wasteful number, since it uses less digits than its factorization.

97742567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203257.

The product of its digits is 740880, while the sum is 47.

The square root of 97742567 is about 9886.4840565289. The cubic root of 97742567 is about 460.6395750485.

The spelling of 97742567 in words is "ninety-seven million, seven hundred forty-two thousand, five hundred sixty-seven".