72750914 has 8 divisors (see below), whose sum is σ = 110352780. Its totient is φ = 35966656.

The previous prime is 72750913. The next prime is 72750929. The reversal of 72750914 is 41905727.

It can be written as a sum of positive squares in 2 ways, for example, as 57501889 + 15249025 = 7583^2 + 3905^2 .

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 (72750913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204179 + ... + 204534.

Almost surely, 2^72750914 is an apocalyptic number.

72750914 is a deficient number, since it is larger than the sum of its proper divisors (37601866).

72750914 is a wasteful number, since it uses less digits than its factorization.

72750914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408804.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 72750914 is about 8529.4146340766. The cubic root of 72750914 is about 417.4580286970.

The spelling of 72750914 in words is "seventy-two million, seven hundred fifty thousand, nine hundred fourteen".