45272673 has 12 divisors (see below), whose sum is σ = 65463060. Its totient is φ = 30149856.

The previous prime is 45272657. The next prime is 45272681. The reversal of 45272673 is 37627254.

It is a happy number.

45272673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35141184 + 10131489 = 5928^2 + 3183^2 .

It is not a de Polignac number, because 45272673 - 2⁴ = 45272657 is a prime.

It is a super-2 number, since 2×45272673² = 4099229841129858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45272693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9015 + ... + 13107.

It is an arithmetic number, because the mean of its divisors is an integer number (5455255).

Almost surely, 2^45272673 is an apocalyptic number.

It is an amenable number.

45272673 is a deficient number, since it is larger than the sum of its proper divisors (20190387).

45272673 is a wasteful number, since it uses less digits than its factorization.

45272673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328 (or 5325 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 45272673 is about 6728.4970833017. The cubic root of 45272673 is about 356.4063055564.

The spelling of 45272673 in words is "forty-five million, two hundred seventy-two thousand, six hundred seventy-three".