272401857 has 48 divisors (see below), whose sum is σ = 505360128. Its totient is φ = 137427840.

The previous prime is 272401853. The next prime is 272401873. The reversal of 272401857 is 758104272.

It is not a de Polignac number, because 272401857 - 2² = 272401853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272401853) 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 47 ways as a sum of consecutive naturals, for example, 11607 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (10528336).

Almost surely, 2^272401857 is an apocalyptic number.

It is an amenable number.

272401857 is a deficient number, since it is larger than the sum of its proper divisors (232958271).

272401857 is a wasteful number, since it uses less digits than its factorization.

272401857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510 (or 14507 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 272401857 is about 16504.6010857579. The cubic root of 272401857 is about 648.2412867446.

The spelling of 272401857 in words is "two hundred seventy-two million, four hundred one thousand, eight hundred fifty-seven".