74300081 has 8 divisors (see below), whose sum is σ = 79004160. Its totient is φ = 69633088.

The previous prime is 74300069. The next prime is 74300113. The reversal of 74300081 is 18000347.

It is a happy number.

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

It is not a de Polignac number, because 74300081 - 2¹⁸ = 74037937 is a prime.

It is a super-2 number, since 2×74300081² = 11041004073213122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74300021) 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, 5081 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (9875520).

Almost surely, 2^74300081 is an apocalyptic number.

It is an amenable number.

74300081 is a deficient number, since it is larger than the sum of its proper divisors (4704079).

74300081 is a wasteful number, since it uses less digits than its factorization.

74300081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18543.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 74300081 is about 8619.7494743177. The cubic root of 74300081 is about 420.4003759574.

The spelling of 74300081 in words is "seventy-four million, three hundred thousand, eighty-one".