73743146 has 8 divisors (see below), whose sum is σ = 113604420. Its totient is φ = 35875008.

The previous prime is 73743139. The next prime is 73743149. The reversal of 73743146 is 64134737.

It can be written as a sum of positive squares in 2 ways, for example, as 73530625 + 212521 = 8575^2 + 461^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73743149) 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 3 ways as a sum of consecutive naturals, for example, 498191 + ... + 498338.

Almost surely, 2^73743146 is an apocalyptic number.

73743146 is a deficient number, since it is larger than the sum of its proper divisors (39861274).

73743146 is a wasteful number, since it uses less digits than its factorization.

73743146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996568.

The product of its digits is 42336, while the sum is 35.

The square root of 73743146 is about 8587.3829540786. The cubic root of 73743146 is about 419.3473347570.

The spelling of 73743146 in words is "seventy-three million, seven hundred forty-three thousand, one hundred forty-six".