45727273 has 8 divisors (see below), whose sum is σ = 46918368. Its totient is φ = 44551584.

The previous prime is 45727261. The next prime is 45727277. The reversal of 45727273 is 37272754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45727273 - 2⁹ = 45726761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45727277) 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, 2286 + ... + 9832.

It is an arithmetic number, because the mean of its divisors is an integer number (5864796).

Almost surely, 2^45727273 is an apocalyptic number.

It is an amenable number.

45727273 is a deficient number, since it is larger than the sum of its proper divisors (1191095).

45727273 is an equidigital number, since it uses as much as digits as its factorization.

45727273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703.

The product of its digits is 82320, while the sum is 37.

The square root of 45727273 is about 6762.1943923552. The cubic root of 45727273 is about 357.5952715260.

It can be divided in two parts, 457 and 27273, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 45727273 in words is "forty-five million, seven hundred twenty-seven thousand, two hundred seventy-three".