73534004737 has 2 divisors, whose sum is σ = 73534004738. Its totient is φ = 73534004736.

The previous prime is 73534004701. The next prime is 73534004759. The reversal of 73534004737 is 73740043537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53165291776 + 20368712961 = 230576^2 + 142719^2 .

It is a cyclic number.

It is not a de Polignac number, because 73534004737 - 2²⁷ = 73399787009 is a prime.

It is a super-2 number, since 2×73534004737² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73534004693 and 73534004702.

It is not a weakly prime, because it can be changed into another prime (73534004777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36767002368 + 36767002369.

It is an arithmetic number, because the mean of its divisors is an integer number (36767002369).

Almost surely, 2^73534004737 is an apocalyptic number.

It is an amenable number.

73534004737 is a deficient number, since it is larger than the sum of its proper divisors (1).

73534004737 is an equidigital number, since it uses as much as digits as its factorization.

73534004737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 43.

The spelling of 73534004737 in words is "seventy-three billion, five hundred thirty-four million, four thousand, seven hundred thirty-seven".