97673731 has 4 divisors (see below), whose sum is σ = 98419464. Its totient is φ = 96928000.

The previous prime is 97673713. The next prime is 97673743. The reversal of 97673731 is 13737679.

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

It is a cyclic number.

It is not a de Polignac number, because 97673731 - 2¹¹ = 97671683 is a prime.

It is a super-2 number, since 2×97673731² = 19080315454920722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97673231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372670 + ... + 372931.

It is an arithmetic number, because the mean of its divisors is an integer number (24604866).

Almost surely, 2^97673731 is an apocalyptic number.

97673731 is a deficient number, since it is larger than the sum of its proper divisors (745733).

97673731 is a wasteful number, since it uses less digits than its factorization.

97673731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745732.

The product of its digits is 166698, while the sum is 43.

The square root of 97673731 is about 9883.0021248606. The cubic root of 97673731 is about 460.5314132606.

The spelling of 97673731 in words is "ninety-seven million, six hundred seventy-three thousand, seven hundred thirty-one".