72625727 has 4 divisors (see below), whose sum is σ = 73545120. Its totient is φ = 71706336.

The previous prime is 72625673. The next prime is 72625757. The reversal of 72625727 is 72752627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72752627 = 887 ⋅82021.

It is a cyclic number.

It is not a de Polignac number, because 72625727 - 2¹⁰ = 72624703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72625757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459578 + ... + 459735.

It is an arithmetic number, because the mean of its divisors is an integer number (18386280).

Almost surely, 2^72625727 is an apocalyptic number.

72625727 is a deficient number, since it is larger than the sum of its proper divisors (919393).

72625727 is an equidigital number, since it uses as much as digits as its factorization.

72625727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919392.

The product of its digits is 82320, while the sum is 38.

The square root of 72625727 is about 8522.0729285779. The cubic root of 72625727 is about 417.2184425992.

The spelling of 72625727 in words is "seventy-two million, six hundred twenty-five thousand, seven hundred twenty-seven".