73797539 has 4 divisors (see below), whose sum is σ = 77681640. Its totient is φ = 69913440.

The previous prime is 73797533. The next prime is 73797551. The reversal of 73797539 is 93579737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93579737 = 1549 ⋅60413.

It is a cyclic number.

It is not a de Polignac number, because 73797539 - 2⁴ = 73797523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73797533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942022 + ... + 1942059.

It is an arithmetic number, because the mean of its divisors is an integer number (19420410).

Almost surely, 2^73797539 is an apocalyptic number.

73797539 is a deficient number, since it is larger than the sum of its proper divisors (3884101).

73797539 is a wasteful number, since it uses less digits than its factorization.

73797539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884100.

The product of its digits is 1250235, while the sum is 50.

The square root of 73797539 is about 8590.5494003585. The cubic root of 73797539 is about 419.4504130542.

The spelling of 73797539 in words is "seventy-three million, seven hundred ninety-seven thousand, five hundred thirty-nine".