73845131 has 8 divisors (see below), whose sum is σ = 77850624. Its totient is φ = 69941160.

The previous prime is 73845113. The next prime is 73845133. The reversal of 73845131 is 13154837.

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

It is a cyclic number.

It is not a de Polignac number, because 73845131 - 2⁶ = 73845067 is a prime.

It is a super-2 number, since 2×73845131² = 10906206744814322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73845133) 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 7 ways as a sum of consecutive naturals, for example, 23885 + ... + 26798.

It is an arithmetic number, because the mean of its divisors is an integer number (9731328).

Almost surely, 2^73845131 is an apocalyptic number.

73845131 is a deficient number, since it is larger than the sum of its proper divisors (4005493).

73845131 is a wasteful number, since it uses less digits than its factorization.

73845131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50761.

The product of its digits is 10080, while the sum is 32.

The square root of 73845131 is about 8593.3189746454. The cubic root of 73845131 is about 419.5405614729.

Adding to 73845131 its reverse (13154837), we get a palindrome (86999968).

The spelling of 73845131 in words is "seventy-three million, eight hundred forty-five thousand, one hundred thirty-one".