72914307 has 4 divisors (see below), whose sum is σ = 97219080. Its totient is φ = 48609536.

The previous prime is 72914297. The next prime is 72914311. The reversal of 72914307 is 70341927.

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

It is a cyclic number.

It is not a de Polignac number, because 72914307 - 2⁶ = 72914243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72914327) 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, 12152382 + ... + 12152387.

It is an arithmetic number, because the mean of its divisors is an integer number (24304770).

Almost surely, 2^72914307 is an apocalyptic number.

72914307 is a deficient number, since it is larger than the sum of its proper divisors (24304773).

72914307 is a wasteful number, since it uses less digits than its factorization.

72914307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24304772.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 72914307 is about 8538.9874692495. The cubic root of 72914307 is about 417.7703213081.

The spelling of 72914307 in words is "seventy-two million, nine hundred fourteen thousand, three hundred seven".