73601331 has 4 divisors (see below), whose sum is σ = 98135112. Its totient is φ = 49067552.

The previous prime is 73601327. The next prime is 73601371. The reversal of 73601331 is 13310637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310637 = 3 ⋅4436879.

It is a cyclic number.

It is not a de Polignac number, because 73601331 - 2² = 73601327 is a prime.

It is a super-2 number, since 2×73601331² = 10834311849943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73601371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12266886 + ... + 12266891.

It is an arithmetic number, because the mean of its divisors is an integer number (24533778).

Almost surely, 2^73601331 is an apocalyptic number.

73601331 is a deficient number, since it is larger than the sum of its proper divisors (24533781).

73601331 is a wasteful number, since it uses less digits than its factorization.

73601331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24533780.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 73601331 is about 8579.1218082039. The cubic root of 73601331 is about 419.0783474759.

Adding to 73601331 its reverse (13310637), we get a palindrome (86911968).

The spelling of 73601331 in words is "seventy-three million, six hundred one thousand, three hundred thirty-one".