73807149 has 16 divisors (see below), whose sum is σ = 112214592. Its totient is φ = 42747648.

The previous prime is 73807147. The next prime is 73807159. The reversal of 73807149 is 94170837.

It is not a de Polignac number, because 73807149 - 2¹ = 73807147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73807147) 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 15 ways as a sum of consecutive naturals, for example, 54999 + ... + 56324.

It is an arithmetic number, because the mean of its divisors is an integer number (7013412).

Almost surely, 2^73807149 is an apocalyptic number.

It is an amenable number.

73807149 is a deficient number, since it is larger than the sum of its proper divisors (38407443).

73807149 is a wasteful number, since it uses less digits than its factorization.

73807149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111356.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 73807149 is about 8591.1087177384. The cubic root of 73807149 is about 419.4686193682.

The spelling of 73807149 in words is "seventy-three million, eight hundred seven thousand, one hundred forty-nine".