272948691 has 16 divisors (see below), whose sum is σ = 371041920. Its totient is φ = 178477832.

The previous prime is 272948681. The next prime is 272948701. The reversal of 272948691 is 196849272.

It is an interprime number because it is at equal distance from previous prime (272948681) and next prime (272948701).

It is not a de Polignac number, because 272948691 - 2¹¹ = 272946643 is a prime.

It is a super-2 number, since 2×272948691² = 149001975837226962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 272948691.

It is not an unprimeable number, because it can be changed into a prime (272948681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615916 + ... + 616358.

It is an arithmetic number, because the mean of its divisors is an integer number (23190120).

Almost surely, 2^272948691 is an apocalyptic number.

272948691 is a deficient number, since it is larger than the sum of its proper divisors (98093229).

272948691 is an frugal number, since it uses more digits than its factorization.

272948691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 505 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 272948691 is about 16521.1588879231. The cubic root of 272948691 is about 648.6747681741.

The spelling of 272948691 in words is "two hundred seventy-two million, nine hundred forty-eight thousand, six hundred ninety-one".