73926137 has 2 divisors, whose sum is σ = 73926138. Its totient is φ = 73926136.

The previous prime is 73926121. The next prime is 73926143. The reversal of 73926137 is 73162937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73685056 + 241081 = 8584^2 + 491^2 .

It is an emirp because it is prime and its reverse (73162937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73926137 - 2⁴ = 73926121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73926137.

It is not a weakly prime, because it can be changed into another prime (73926107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36963068 + 36963069.

It is an arithmetic number, because the mean of its divisors is an integer number (36963069).

Almost surely, 2^73926137 is an apocalyptic number.

It is an amenable number.

73926137 is a deficient number, since it is larger than the sum of its proper divisors (1).

73926137 is an equidigital number, since it uses as much as digits as its factorization.

73926137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 38.

The square root of 73926137 is about 8598.0309955245. The cubic root of 73926137 is about 419.6939134175.

The spelling of 73926137 in words is "seventy-three million, nine hundred twenty-six thousand, one hundred thirty-seven".