38272730 has 8 divisors (see below), whose sum is σ = 68890932. Its totient is φ = 15309088.

The previous prime is 38272727. The next prime is 38272739. The reversal of 38272730 is 3727283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37662769 + 609961 = 6137^2 + 781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38272739) 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, 1913627 + ... + 1913646.

Almost surely, 2^38272730 is an apocalyptic number.

38272730 is a deficient number, since it is larger than the sum of its proper divisors (30618202).

38272730 is a wasteful number, since it uses less digits than its factorization.

38272730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827280.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 38272730 is about 6186.4957770938. The cubic root of 38272730 is about 336.9999324933. Note that the first 4 decimals are identical.

The spelling of 38272730 in words is "thirty-eight million, two hundred seventy-two thousand, seven hundred thirty".