73100749 has 2 divisors, whose sum is σ = 73100750. Its totient is φ = 73100748.

The previous prime is 73100747. The next prime is 73100777. The reversal of 73100749 is 94700137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48399849 + 24700900 = 6957^2 + 4970^2 .

It is a cyclic number.

It is not a de Polignac number, because 73100749 - 2¹ = 73100747 is a prime.

It is a super-2 number, since 2×73100749² = 10687439008722002, which contains 22 as substring.

Together with 73100747, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73100749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73100747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36550374 + 36550375.

It is an arithmetic number, because the mean of its divisors is an integer number (36550375).

Almost surely, 2^73100749 is an apocalyptic number.

It is an amenable number.

73100749 is a deficient number, since it is larger than the sum of its proper divisors (1).

73100749 is an equidigital number, since it uses as much as digits as its factorization.

73100749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 73100749 is about 8549.8976017260. The cubic root of 73100749 is about 418.1260980337.

The spelling of 73100749 in words is "seventy-three million, one hundred thousand, seven hundred forty-nine".