72614305 has 4 divisors (see below), whose sum is σ = 87137172. Its totient is φ = 58091440.

The previous prime is 72614287. The next prime is 72614317. The reversal of 72614305 is 50341627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 28005264 = 6679^2 + 5292^2 .

It is not a de Polignac number, because 72614305 - 2⁵ = 72614273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7261426 + ... + 7261435.

It is an arithmetic number, because the mean of its divisors is an integer number (21784293).

Almost surely, 2^72614305 is an apocalyptic number.

It is an amenable number.

72614305 is a deficient number, since it is larger than the sum of its proper divisors (14522867).

72614305 is a wasteful number, since it uses less digits than its factorization.

72614305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522866.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72614305 is about 8521.4027601094. The cubic root of 72614305 is about 417.1965691801.

The spelling of 72614305 in words is "seventy-two million, six hundred fourteen thousand, three hundred five".