97364731 has 2 divisors, whose sum is σ = 97364732. Its totient is φ = 97364730.

The previous prime is 97364719. The next prime is 97364737. The reversal of 97364731 is 13746379.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97364731 is a prime.

It is a super-2 number, since 2×97364731² = 18959781685404722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97364737) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48682365 + 48682366.

It is an arithmetic number, because the mean of its divisors is an integer number (48682366).

Almost surely, 2^97364731 is an apocalyptic number.

97364731 is a deficient number, since it is larger than the sum of its proper divisors (1).

97364731 is an equidigital number, since it uses as much as digits as its factorization.

97364731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 97364731 is about 9867.3568396000. The cubic root of 97364731 is about 460.0452554719.

The spelling of 97364731 in words is "ninety-seven million, three hundred sixty-four thousand, seven hundred thirty-one".