45273703 has 4 divisors (see below), whose sum is σ = 47936880. Its totient is φ = 42610528.

The previous prime is 45273691. The next prime is 45273707. The reversal of 45273703 is 30737254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30737254 = 2 ⋅15368627.

It is a cyclic number.

It is not a de Polignac number, because 45273703 - 2¹⁷ = 45142631 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 (45273707) 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, 1331563 + ... + 1331596.

It is an arithmetic number, because the mean of its divisors is an integer number (11984220).

Almost surely, 2^45273703 is an apocalyptic number.

45273703 is a deficient number, since it is larger than the sum of its proper divisors (2663177).

45273703 is a wasteful number, since it uses less digits than its factorization.

45273703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663176.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 45273703 is about 6728.5736229902. The cubic root of 45273703 is about 356.4090084063.

The spelling of 45273703 in words is "forty-five million, two hundred seventy-three thousand, seven hundred three".