73666670337 has 24 divisors (see below), whose sum is σ = 117387547368. Its totient is φ = 44227641600.

The previous prime is 73666670309. The next prime is 73666670351. The reversal of 73666670337 is 73307666637.

It can be written as a sum of positive squares in 4 ways, for example, as 25281 + 73666645056 = 159^2 + 271416^2 .

It is not a de Polignac number, because 73666670337 - 2²² = 73662476033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73666670837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7673614 + ... + 7683207.

It is an arithmetic number, because the mean of its divisors is an integer number (4891147807).

Almost surely, 2^73666670337 is an apocalyptic number.

It is an amenable number.

73666670337 is a deficient number, since it is larger than the sum of its proper divisors (43720877031).

73666670337 is a wasteful number, since it uses less digits than its factorization.

73666670337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356881 (or 15356878 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 54.

The spelling of 73666670337 in words is "seventy-three billion, six hundred sixty-six million, six hundred seventy thousand, three hundred thirty-seven".