73640622601 has 18 divisors (see below), whose sum is σ = 92759983182. Its totient is φ = 58265101440.

The previous prime is 73640622569. The next prime is 73640622607. The reversal of 73640622601 is 10622604637.

It can be written as a sum of positive squares in 3 ways, for example, as 9020440576 + 64620182025 = 94976^2 + 254205^2 .

It is not a de Polignac number, because 73640622601 - 2⁵ = 73640622569 is a prime.

It is a super-3 number, since 3×73640622601³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73640622607) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4438080 + ... + 4454641.

It is an arithmetic number, because the mean of its divisors is an integer number (5153332399).

Almost surely, 2^73640622601 is an apocalyptic number.

It is an amenable number.

73640622601 is a deficient number, since it is larger than the sum of its proper divisors (19119360581).

73640622601 is a wasteful number, since it uses less digits than its factorization.

73640622601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892761 (or 8892741 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 73640622601 in words is "seventy-three billion, six hundred forty million, six hundred twenty-two thousand, six hundred one".