250730738 has 8 divisors (see below), whose sum is σ = 379546860. Its totient is φ = 124215120.

The previous prime is 250730731. The next prime is 250730747. The reversal of 250730738 is 837037052.

It can be written as a sum of positive squares in 2 ways, for example, as 240343009 + 10387729 = 15503^2 + 3223^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 250730698 and 250730707.

It is not an unprimeable number, because it can be changed into a prime (250730731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574853 + ... + 575288.

Almost surely, 2^250730738 is an apocalyptic number.

250730738 is a deficient number, since it is larger than the sum of its proper divisors (128816122).

250730738 is a wasteful number, since it uses less digits than its factorization.

250730738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150252.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 250730738 is about 15834.4794041358. The cubic root of 250730738 is about 630.5737093575.

The spelling of 250730738 in words is "two hundred fifty million, seven hundred thirty thousand, seven hundred thirty-eight".