73422493 has 2 divisors, whose sum is σ = 73422494. Its totient is φ = 73422492.

The previous prime is 73422421. The next prime is 73422523. The reversal of 73422493 is 39422437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 1138489 = 8502^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 73422493 - 2¹³ = 73414301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73422793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36711246 + 36711247.

It is an arithmetic number, because the mean of its divisors is an integer number (36711247).

Almost surely, 2^73422493 is an apocalyptic number.

It is an amenable number.

73422493 is a deficient number, since it is larger than the sum of its proper divisors (1).

73422493 is an equidigital number, since it uses as much as digits as its factorization.

73422493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 34.

The square root of 73422493 is about 8568.6926073935. The cubic root of 73422493 is about 418.7386438444.

It can be divided in two parts, 7 and 3422493, that added together give a square (3422500 = 1850²).

The spelling of 73422493 in words is "seventy-three million, four hundred twenty-two thousand, four hundred ninety-three".