245940729 has 8 divisors (see below), whose sum is σ = 328000032. Its totient is φ = 163920960.

The previous prime is 245940727. The next prime is 245940743. The reversal of 245940729 is 927049542.

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

It is not a de Polignac number, because 245940729 - 2¹ = 245940727 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245940727) 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, 10849 + ... + 24689.

It is an arithmetic number, because the mean of its divisors is an integer number (41000004).

Almost surely, 2^245940729 is an apocalyptic number.

It is an amenable number.

245940729 is a deficient number, since it is larger than the sum of its proper divisors (82059303).

245940729 is a wasteful number, since it uses less digits than its factorization.

245940729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19767.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 245940729 is about 15682.4975370634. The cubic root of 245940729 is about 626.5323288258.

The spelling of 245940729 in words is "two hundred forty-five million, nine hundred forty thousand, seven hundred twenty-nine".