73413381 has 8 divisors (see below), whose sum is σ = 97925184. Its totient is φ = 48921920.

The previous prime is 73413377. The next prime is 73413421. The reversal of 73413381 is 18331437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73413381 - 2² = 73413377 is a prime.

It is a super-2 number, since 2×73413381² = 10779049019702322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73413311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8605 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (12240648).

Almost surely, 2^73413381 is an apocalyptic number.

It is an amenable number.

73413381 is a deficient number, since it is larger than the sum of its proper divisors (24511803).

73413381 is a wasteful number, since it uses less digits than its factorization.

73413381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171.

The product of its digits is 6048, while the sum is 30.

The square root of 73413381 is about 8568.1608878452. The cubic root of 73413381 is about 418.7213207952.

The spelling of 73413381 in words is "seventy-three million, four hundred thirteen thousand, three hundred eighty-one".