97434719 has 2 divisors, whose sum is σ = 97434720. Its totient is φ = 97434718.

The previous prime is 97434703. The next prime is 97434763. The reversal of 97434719 is 91743479.

It is a happy number.

It is an a-pointer prime, because the next prime (97434763) can be obtained adding 97434719 to its sum of digits (44).

It is a weak prime.

It is an emirp because it is prime and its reverse (91743479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97434719 - 2⁴ = 97434703 is a prime.

It is a super-2 number, since 2×97434719² = 18987048933217922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97434719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97434319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48717359 + 48717360.

It is an arithmetic number, because the mean of its divisors is an integer number (48717360).

Almost surely, 2^97434719 is an apocalyptic number.

97434719 is a deficient number, since it is larger than the sum of its proper divisors (1).

97434719 is an equidigital number, since it uses as much as digits as its factorization.

97434719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 97434719 is about 9870.9026436289. The cubic root of 97434719 is about 460.1554594280.

The spelling of 97434719 in words is "ninety-seven million, four hundred thirty-four thousand, seven hundred nineteen".