45073273 has 16 divisors (see below), whose sum is σ = 54722304. Its totient is φ = 36241920.

The previous prime is 45073271. The next prime is 45073283. The reversal of 45073273 is 37237054.

It is a cyclic number.

It is not a de Polignac number, because 45073273 - 2¹ = 45073271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45073271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61636 + ... + 62362.

It is an arithmetic number, because the mean of its divisors is an integer number (3420144).

Almost surely, 2^45073273 is an apocalyptic number.

It is an amenable number.

45073273 is a deficient number, since it is larger than the sum of its proper divisors (9649031).

45073273 is a wasteful number, since it uses less digits than its factorization.

45073273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

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

The square root of 45073273 is about 6713.6631580680. The cubic root of 45073273 is about 355.8822807555.

The spelling of 45073273 in words is "forty-five million, seventy-three thousand, two hundred seventy-three".