73898493 has 4 divisors (see below), whose sum is σ = 98531328. Its totient is φ = 49265660.

The previous prime is 73898491. The next prime is 73898501. The reversal of 73898493 is 39489837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39489837 = 3 ⋅13163279.

It is a cyclic number.

It is not a de Polignac number, because 73898493 - 2¹ = 73898491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73898491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12316413 + ... + 12316418.

It is an arithmetic number, because the mean of its divisors is an integer number (24632832).

Almost surely, 2^73898493 is an apocalyptic number.

It is an amenable number.

73898493 is a deficient number, since it is larger than the sum of its proper divisors (24632835).

73898493 is a wasteful number, since it uses less digits than its factorization.

73898493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24632834.

The product of its digits is 1306368, while the sum is 51.

The square root of 73898493 is about 8596.4232678481. The cubic root of 73898493 is about 419.6415933339.

The spelling of 73898493 in words is "seventy-three million, eight hundred ninety-eight thousand, four hundred ninety-three".