97520743 has 2 divisors, whose sum is σ = 97520744. Its totient is φ = 97520742.

The previous prime is 97520741. The next prime is 97520791. The reversal of 97520743 is 34702579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97520743 - 2¹ = 97520741 is a prime.

Together with 97520741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97520741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48760371 + 48760372.

It is an arithmetic number, because the mean of its divisors is an integer number (48760372).

Almost surely, 2^97520743 is an apocalyptic number.

97520743 is a deficient number, since it is larger than the sum of its proper divisors (1).

97520743 is an equidigital number, since it uses as much as digits as its factorization.

97520743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 97520743 is about 9875.2591358404. The cubic root of 97520743 is about 460.2908415923.

The spelling of 97520743 in words is "ninety-seven million, five hundred twenty thousand, seven hundred forty-three".