73870381 has 8 divisors (see below), whose sum is σ = 80741024. Its totient is φ = 67169520.

The previous prime is 73870373. The next prime is 73870399. The reversal of 73870381 is 18307837.

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 73870381 - 2³ = 73870373 is a prime.

It is a super-2 number, since 2×73870381² = 10913666378170322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73870381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73870351) 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 7 ways as a sum of consecutive naturals, for example, 41535 + ... + 43276.

It is an arithmetic number, because the mean of its divisors is an integer number (10092628).

Almost surely, 2^73870381 is an apocalyptic number.

It is an amenable number.

73870381 is a deficient number, since it is larger than the sum of its proper divisors (6870643).

73870381 is a wasteful number, since it uses less digits than its factorization.

73870381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84891.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 73870381 is about 8594.7880136743. The cubic root of 73870381 is about 419.5883741129.

The spelling of 73870381 in words is "seventy-three million, eight hundred seventy thousand, three hundred eighty-one".