73981422 has 12 divisors (see below), whose sum is σ = 160293120. Its totient is φ = 24660468.

The previous prime is 73981417. The next prime is 73981423. The reversal of 73981422 is 22418937.

It is a super-2 number, since 2×73981422² = 10946501602284168, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73981423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2055022 + ... + 2055057.

It is an arithmetic number, because the mean of its divisors is an integer number (13357760).

Almost surely, 2^73981422 is an apocalyptic number.

73981422 is an abundant number, since it is smaller than the sum of its proper divisors (86311698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73981422 is a wasteful number, since it uses less digits than its factorization.

73981422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110087 (or 4110084 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 73981422 is about 8601.2453749443. The cubic root of 73981422 is about 419.7985087940.

The spelling of 73981422 in words is "seventy-three million, nine hundred eighty-one thousand, four hundred twenty-two".