72305914 has 16 divisors (see below), whose sum is σ = 110059560. Its totient is φ = 35622400.

The previous prime is 72305899. The next prime is 72305917. The reversal of 72305914 is 41950327.

It can be written as a sum of positive squares in 4 ways, for example, as 50168889 + 22137025 = 7083^2 + 4705^2 .

It is not an unprimeable number, because it can be changed into a prime (72305917) 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, 70872 + ... + 71884.

Almost surely, 2^72305914 is an apocalyptic number.

72305914 is a deficient number, since it is larger than the sum of its proper divisors (37753646).

72305914 is a wasteful number, since it uses less digits than its factorization.

72305914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 72305914 is about 8503.2884227221. The cubic root of 72305914 is about 416.6051235681.

The spelling of 72305914 in words is "seventy-two million, three hundred five thousand, nine hundred fourteen".