73349137 has 2 divisors, whose sum is σ = 73349138. Its totient is φ = 73349136.

The previous prime is 73349117. The next prime is 73349147. The reversal of 73349137 is 73194337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72658576 + 690561 = 8524^2 + 831^2 .

It is an emirp because it is prime and its reverse (73194337) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73349137 - 2²³ = 64960529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73349096 and 73349105.

It is not a weakly prime, because it can be changed into another prime (73349117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36674568 + 36674569.

It is an arithmetic number, because the mean of its divisors is an integer number (36674569).

Almost surely, 2^73349137 is an apocalyptic number.

It is an amenable number.

73349137 is a deficient number, since it is larger than the sum of its proper divisors (1).

73349137 is an equidigital number, since it uses as much as digits as its factorization.

73349137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 37.

The square root of 73349137 is about 8564.4110714047. The cubic root of 73349137 is about 418.5991442346.

It can be divided in two parts, 7334 and 9137, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 73349137 in words is "seventy-three million, three hundred forty-nine thousand, one hundred thirty-seven".