73488131 has 4 divisors (see below), whose sum is σ = 74201712. Its totient is φ = 72774552.

The previous prime is 73488109. The next prime is 73488133. The reversal of 73488131 is 13188437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13188437 = 149 ⋅88513.

It is a cyclic number.

It is not a de Polignac number, because 73488131 - 2²² = 69293827 is a prime.

It is a super-2 number, since 2×73488131² = 10801010795746322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73488091 and 73488100.

It is not an unprimeable number, because it can be changed into a prime (73488133) 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, 356636 + ... + 356841.

It is an arithmetic number, because the mean of its divisors is an integer number (18550428).

Almost surely, 2^73488131 is an apocalyptic number.

73488131 is a deficient number, since it is larger than the sum of its proper divisors (713581).

73488131 is a wasteful number, since it uses less digits than its factorization.

73488131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713580.

The product of its digits is 16128, while the sum is 35.

The square root of 73488131 is about 8572.5218576566. The cubic root of 73488131 is about 418.8633875466.

The spelling of 73488131 in words is "seventy-three million, four hundred eighty-eight thousand, one hundred thirty-one".