73677381 has 8 divisors (see below), whose sum is σ = 98276160. Its totient is φ = 49098432.

The previous prime is 73677377. The next prime is 73677389. The reversal of 73677381 is 18377637.

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

It is not a de Polignac number, because 73677381 - 2² = 73677377 is a prime.

It is a super-2 number, since 2×73677381² = 10856712942038322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73677389) 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 7 ways as a sum of consecutive naturals, for example, 12205 + ... + 17213.

It is an arithmetic number, because the mean of its divisors is an integer number (12284520).

Almost surely, 2^73677381 is an apocalyptic number.

It is an amenable number.

73677381 is a deficient number, since it is larger than the sum of its proper divisors (24598779).

73677381 is a wasteful number, since it uses less digits than its factorization.

73677381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9915.

The product of its digits is 148176, while the sum is 42.

The square root of 73677381 is about 8583.5529357021. The cubic root of 73677381 is about 419.2226380619. Note that the first 3 decimals are identical.

The spelling of 73677381 in words is "seventy-three million, six hundred seventy-seven thousand, three hundred eighty-one".