272091491 has 8 divisors (see below), whose sum is σ = 311422464. Its totient is φ = 232875720.

The previous prime is 272091481. The next prime is 272091497. The reversal of 272091491 is 194190272.

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

It is not a de Polignac number, because 272091491 - 2¹⁸ = 271829347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272091497) 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, 23675 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (38927808).

Almost surely, 2^272091491 is an apocalyptic number.

272091491 is a deficient number, since it is larger than the sum of its proper divisors (39330973).

272091491 is an equidigital number, since it uses as much as digits as its factorization.

272091491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57601.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 272091491 is about 16495.1959976231. The cubic root of 272091491 is about 647.9949980244.

The spelling of 272091491 in words is "two hundred seventy-two million, ninety-one thousand, four hundred ninety-one".