73942481 has 4 divisors (see below), whose sum is σ = 73964964. Its totient is φ = 73920000.

The previous prime is 73942417. The next prime is 73942487. The reversal of 73942481 is 18424937.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35700625 + 38241856 = 5975^2 + 6184^2 .

It is a cyclic number.

It is not a de Polignac number, because 73942481 - 2⁶ = 73942417 is a prime.

It is a super-2 number, since 2×73942481² = 10934980992870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73942487) 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, 5240 + ... + 13241.

It is an arithmetic number, because the mean of its divisors is an integer number (18491241).

Almost surely, 2^73942481 is an apocalyptic number.

It is an amenable number.

73942481 is a deficient number, since it is larger than the sum of its proper divisors (22483).

73942481 is a wasteful number, since it uses less digits than its factorization.

73942481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22482.

The product of its digits is 48384, while the sum is 38.

The square root of 73942481 is about 8598.9813931651. The cubic root of 73942481 is about 419.7248405571.

The spelling of 73942481 in words is "seventy-three million, nine hundred forty-two thousand, four hundred eighty-one".