73497481 has 4 divisors (see below), whose sum is σ = 73568464. Its totient is φ = 73426500.

The previous prime is 73497451. The next prime is 73497499. The reversal of 73497481 is 18479437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18479437 = 1061 ⋅17417.

It is a cyclic number.

It is not a de Polignac number, because 73497481 - 2⁷ = 73497353 is a prime.

It is a super-2 number, since 2×73497481² = 10803759426690722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73497451) 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 3 ways as a sum of consecutive naturals, for example, 33915 + ... + 36016.

It is an arithmetic number, because the mean of its divisors is an integer number (18392116).

Almost surely, 2^73497481 is an apocalyptic number.

It is an amenable number.

73497481 is a deficient number, since it is larger than the sum of its proper divisors (70983).

73497481 is a wasteful number, since it uses less digits than its factorization.

73497481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70982.

The product of its digits is 169344, while the sum is 43.

The square root of 73497481 is about 8573.0671874190. The cubic root of 73497481 is about 418.8811509892.

The spelling of 73497481 in words is "seventy-three million, four hundred ninety-seven thousand, four hundred eighty-one".