248020729 has 8 divisors (see below), whose sum is σ = 270840960. Its totient is φ = 225246000.

The previous prime is 248020723. The next prime is 248020733. The reversal of 248020729 is 927020842.

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 248020729 - 2¹³ = 248012537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248020694 and 248020703.

It is not an unprimeable number, because it can be changed into a prime (248020723) 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, 579 + ... + 22279.

It is an arithmetic number, because the mean of its divisors is an integer number (33855120).

Almost surely, 2^248020729 is an apocalyptic number.

It is an amenable number.

248020729 is a deficient number, since it is larger than the sum of its proper divisors (22820231).

248020729 is a wasteful number, since it uses less digits than its factorization.

248020729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 248020729 is about 15748.6738806796. The cubic root of 248020729 is about 628.2936347432.

The spelling of 248020729 in words is "two hundred forty-eight million, twenty thousand, seven hundred twenty-nine".