248772729 has 8 divisors (see below), whose sum is σ = 332095680. Its totient is φ = 165649136.

The previous prime is 248772721. The next prime is 248772731. The reversal of 248772729 is 927277842.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 248772729 - 2³ = 248772721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248772721) 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, 46902 + ... + 51935.

It is an arithmetic number, because the mean of its divisors is an integer number (41511960).

Almost surely, 2^248772729 is an apocalyptic number.

It is an amenable number.

248772729 is a deficient number, since it is larger than the sum of its proper divisors (83322951).

248772729 is an equidigital number, since it uses as much as digits as its factorization.

248772729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99679.

The product of its digits is 790272, while the sum is 48.

The square root of 248772729 is about 15772.5308368695. The cubic root of 248772729 is about 628.9279904556.

The spelling of 248772729 in words is "two hundred forty-eight million, seven hundred seventy-two thousand, seven hundred twenty-nine".