73939753 has 2 divisors, whose sum is σ = 73939754. Its totient is φ = 73939752.

The previous prime is 73939741. The next prime is 73939757. The reversal of 73939753 is 35793937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67947049 + 5992704 = 8243^2 + 2448^2 .

It is an emirp because it is prime and its reverse (35793937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73939753 - 2²⁵ = 40385321 is a prime.

It is not a weakly prime, because it can be changed into another prime (73939757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36969876 + 36969877.

It is an arithmetic number, because the mean of its divisors is an integer number (36969877).

Almost surely, 2^73939753 is an apocalyptic number.

It is an amenable number.

73939753 is a deficient number, since it is larger than the sum of its proper divisors (1).

73939753 is an equidigital number, since it uses as much as digits as its factorization.

73939753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 535815, while the sum is 46.

The square root of 73939753 is about 8598.8227682631. The cubic root of 73939753 is about 419.7196787816.

The spelling of 73939753 in words is "seventy-three million, nine hundred thirty-nine thousand, seven hundred fifty-three".