73706693 has 2 divisors, whose sum is σ = 73706694. Its totient is φ = 73706692.

The previous prime is 73706683. The next prime is 73706707. The reversal of 73706693 is 39660737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73582084 + 124609 = 8578^2 + 353^2 .

It is an emirp because it is prime and its reverse (39660737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73706693 - 2¹⁶ = 73641157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73706693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73706663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36853346 + 36853347.

It is an arithmetic number, because the mean of its divisors is an integer number (36853347).

Almost surely, 2^73706693 is an apocalyptic number.

It is an amenable number.

73706693 is a deficient number, since it is larger than the sum of its proper divisors (1).

73706693 is an equidigital number, since it uses as much as digits as its factorization.

73706693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 73706693 is about 8585.2602173726. The cubic root of 73706693 is about 419.2782255641.

The spelling of 73706693 in words is "seventy-three million, seven hundred six thousand, six hundred ninety-three".