73124893 has 2 divisors, whose sum is σ = 73124894. Its totient is φ = 73124892.

The previous prime is 73124873. The next prime is 73124917. The reversal of 73124893 is 39842137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 840889 = 8502^2 + 917^2 .

It is an emirp because it is prime and its reverse (39842137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73124893 - 2⁵ = 73124861 is a prime.

It is a super-2 number, since 2×73124893² = 10694499952522898, which contains 22 as substring.

It is equal to p_4290949 and since 73124893 and 4290949 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73124873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36562446 + 36562447.

It is an arithmetic number, because the mean of its divisors is an integer number (36562447).

Almost surely, 2^73124893 is an apocalyptic number.

It is an amenable number.

73124893 is a deficient number, since it is larger than the sum of its proper divisors (1).

73124893 is an equidigital number, since it uses as much as digits as its factorization.

73124893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 73124893 is about 8551.3094318940. The cubic root of 73124893 is about 418.1721264051.

The spelling of 73124893 in words is "seventy-three million, one hundred twenty-four thousand, eight hundred ninety-three".