245749970 has 16 divisors (see below), whose sum is σ = 448953408. Its totient is φ = 96832560.

The previous prime is 245749951. The next prime is 245749997. The reversal of 245749970 is 79947542.

245749970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182726 + ... + 184065.

It is an arithmetic number, because the mean of its divisors is an integer number (28059588).

Almost surely, 2^245749970 is an apocalyptic number.

245749970 is a deficient number, since it is larger than the sum of its proper divisors (203203438).

245749970 is a wasteful number, since it uses less digits than its factorization.

245749970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366865.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 245749970 is about 15676.4144497395. The cubic root of 245749970 is about 626.3703011772.

The spelling of 245749970 in words is "two hundred forty-five million, seven hundred forty-nine thousand, nine hundred seventy".