73485131 has 4 divisors (see below), whose sum is σ = 74581992. Its totient is φ = 72388272.

The previous prime is 73485119. The next prime is 73485133. The reversal of 73485131 is 13158437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13158437 = 433 ⋅30389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73485131 is a prime.

It is a super-3 number, since 3×73485131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73485133) 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, 548330 + ... + 548463.

It is an arithmetic number, because the mean of its divisors is an integer number (18645498).

Almost surely, 2^73485131 is an apocalyptic number.

73485131 is a deficient number, since it is larger than the sum of its proper divisors (1096861).

73485131 is a wasteful number, since it uses less digits than its factorization.

73485131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096860.

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

The square root of 73485131 is about 8572.3468781892. The cubic root of 73485131 is about 418.8576877270.

The spelling of 73485131 in words is "seventy-three million, four hundred eighty-five thousand, one hundred thirty-one".