73866149 has 8 divisors (see below), whose sum is σ = 87141888. Its totient is φ = 61271280.

The previous prime is 73866127. The next prime is 73866151. The reversal of 73866149 is 94166837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73866149 - 2¹⁶ = 73800613 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 (73866119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169982 + ... + 170415.

It is an arithmetic number, because the mean of its divisors is an integer number (10892736).

Almost surely, 2^73866149 is an apocalyptic number.

It is an amenable number.

73866149 is a deficient number, since it is larger than the sum of its proper divisors (13275739).

73866149 is a wasteful number, since it uses less digits than its factorization.

73866149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340435.

The product of its digits is 217728, while the sum is 44.

The square root of 73866149 is about 8594.5418144308. The cubic root of 73866149 is about 419.5803612852.

The spelling of 73866149 in words is "seventy-three million, eight hundred sixty-six thousand, one hundred forty-nine".