97534739 has 2 divisors, whose sum is σ = 97534740. Its totient is φ = 97534738.

The previous prime is 97534727. The next prime is 97534757. The reversal of 97534739 is 93743579.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97534739 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97534693 and 97534702.

It is not a weakly prime, because it can be changed into another prime (97534709) 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 as a sum of consecutive naturals, namely, 48767369 + 48767370.

It is an arithmetic number, because the mean of its divisors is an integer number (48767370).

Almost surely, 2^97534739 is an apocalyptic number.

97534739 is a deficient number, since it is larger than the sum of its proper divisors (1).

97534739 is an equidigital number, since it uses as much as digits as its factorization.

97534739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 47.

The square root of 97534739 is about 9875.9677500486. The cubic root of 97534739 is about 460.3128605743.

The spelling of 97534739 in words is "ninety-seven million, five hundred thirty-four thousand, seven hundred thirty-nine".