274530081 has 8 divisors (see below), whose sum is σ = 418331584. Its totient is φ = 156874320.

The previous prime is 274530077. The next prime is 274530097. The reversal of 274530081 is 180035472.

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

It is not a de Polignac number, because 274530081 - 2² = 274530077 is a prime.

It is a super-2 number, since 2×274530081² = 150733530747733122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274530041) 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, 6536410 + ... + 6536451.

It is an arithmetic number, because the mean of its divisors is an integer number (52291448).

Almost surely, 2^274530081 is an apocalyptic number.

274530081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

274530081 is a deficient number, since it is larger than the sum of its proper divisors (143801503).

274530081 is a wasteful number, since it uses less digits than its factorization.

274530081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072871.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 274530081 is about 16568.9493028375. The cubic root of 274530081 is about 649.9251045856.

The spelling of 274530081 in words is "two hundred seventy-four million, five hundred thirty thousand, eighty-one".