97382731 has 4 divisors (see below), whose sum is σ = 99454752. Its totient is φ = 95310712.

The previous prime is 97382707. The next prime is 97382737. The reversal of 97382731 is 13728379.

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 97382731 - 2²¹ = 95285579 is a prime.

It is a super-2 number, since 2×97382731² = 18966792594036722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97382737) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035940 + ... + 1036033.

It is an arithmetic number, because the mean of its divisors is an integer number (24863688).

Almost surely, 2^97382731 is an apocalyptic number.

97382731 is a deficient number, since it is larger than the sum of its proper divisors (2072021).

97382731 is a wasteful number, since it uses less digits than its factorization.

97382731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072020.

The product of its digits is 63504, while the sum is 40.

The square root of 97382731 is about 9868.2688958094. The cubic root of 97382731 is about 460.0736035342.

The spelling of 97382731 in words is "ninety-seven million, three hundred eighty-two thousand, seven hundred thirty-one".