73750017697 has 2 divisors, whose sum is σ = 73750017698. Its totient is φ = 73750017696.

The previous prime is 73750017659. The next prime is 73750017743. The reversal of 73750017697 is 79671005737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73749721761 + 295936 = 271569^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 73750017697 - 2¹⁵ = 73749984929 is a prime.

It is a super-2 number, since 2×73750017697² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73750017647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36875008848 + 36875008849.

It is an arithmetic number, because the mean of its divisors is an integer number (36875008849).

Almost surely, 2^73750017697 is an apocalyptic number.

It is an amenable number.

73750017697 is a deficient number, since it is larger than the sum of its proper divisors (1).

73750017697 is an equidigital number, since it uses as much as digits as its factorization.

73750017697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944810, while the sum is 52.

The spelling of 73750017697 in words is "seventy-three billion, seven hundred fifty million, seventeen thousand, six hundred ninety-seven".