73534247879 has 2 divisors, whose sum is σ = 73534247880. Its totient is φ = 73534247878.

The previous prime is 73534247869. The next prime is 73534247929. The reversal of 73534247879 is 97874243537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73534247879 - 2²⁰ = 73533199303 is a prime.

It is a super-2 number, since 2×73534247879² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73534247869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36767123939 + 36767123940.

It is an arithmetic number, because the mean of its divisors is an integer number (36767123940).

Almost surely, 2^73534247879 is an apocalyptic number.

73534247879 is a deficient number, since it is larger than the sum of its proper divisors (1).

73534247879 is an equidigital number, since it uses as much as digits as its factorization.

73534247879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 59.

The spelling of 73534247879 in words is "seventy-three billion, five hundred thirty-four million, two hundred forty-seven thousand, eight hundred seventy-nine".