73336737409 has 8 divisors (see below), whose sum is σ = 78989974952. Its totient is φ = 67685207040.

The previous prime is 73336737407. The next prime is 73336737449. The reversal of 73336737409 is 90473763337.

It can be written as a sum of positive squares in 4 ways, for example, as 752295184 + 72584442225 = 27428^2 + 269415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73336737409 - 2¹ = 73336737407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73336737407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336864 + ... + 510049.

It is an arithmetic number, because the mean of its divisors is an integer number (9873746869).

Almost surely, 2^73336737409 is an apocalyptic number.

It is an amenable number.

73336737409 is a deficient number, since it is larger than the sum of its proper divisors (5653237543).

73336737409 is a wasteful number, since it uses less digits than its factorization.

73336737409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853587.

The product of its (nonzero) digits is 6001128, while the sum is 52.

The spelling of 73336737409 in words is "seventy-three billion, three hundred thirty-six million, seven hundred thirty-seven thousand, four hundred nine".