73041869 has 4 divisors (see below), whose sum is σ = 74823420. Its totient is φ = 71260320.

The previous prime is 73041863. The next prime is 73041929. The reversal of 73041869 is 96814037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96814037 = 433 ⋅223589.

It can be written as a sum of positive squares in 2 ways, for example, as 23522500 + 49519369 = 4850^2 + 7037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73041869 is a prime.

It is a super-2 number, since 2×73041869² = 10670229254026322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73041863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890714 + ... + 890795.

It is an arithmetic number, because the mean of its divisors is an integer number (18705855).

Almost surely, 2^73041869 is an apocalyptic number.

It is an amenable number.

73041869 is a deficient number, since it is larger than the sum of its proper divisors (1781551).

73041869 is a wasteful number, since it uses less digits than its factorization.

73041869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781550.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 73041869 is about 8546.4535919877. The cubic root of 73041869 is about 418.0138060808.

The spelling of 73041869 in words is "seventy-three million, forty-one thousand, eight hundred sixty-nine".