73898149 has 24 divisors (see below), whose sum is σ = 85663872. Its totient is φ = 63238560.

The previous prime is 73898117. The next prime is 73898171. The reversal of 73898149 is 94189837.

It is a happy number.

It is not a de Polignac number, because 73898149 - 2⁵ = 73898117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73898179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040784 + ... + 1040854.

It is an arithmetic number, because the mean of its divisors is an integer number (3569328).

Almost surely, 2^73898149 is an apocalyptic number.

It is an amenable number.

73898149 is a deficient number, since it is larger than the sum of its proper divisors (11765723).

73898149 is a wasteful number, since it uses less digits than its factorization.

73898149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 166 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 73898149 is about 8596.4032595034. The cubic root of 73898149 is about 419.6409421843.

It can be divided in two parts, 73898 and 149, that added together give a palindrome (74047).

The spelling of 73898149 in words is "seventy-three million, eight hundred ninety-eight thousand, one hundred forty-nine".