7273545 has 16 divisors (see below), whose sum is σ = 11760000. Its totient is φ = 3838464.

The previous prime is 7273529. The next prime is 7273547. The reversal of 7273545 is 5453727.

It is not a de Polignac number, because 7273545 - 2⁴ = 7273529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7273547) 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, 1045 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (735000).

Almost surely, 2^7273545 is an apocalyptic number.

It is an amenable number.

7273545 is a deficient number, since it is larger than the sum of its proper divisors (4486455).

7273545 is a wasteful number, since it uses less digits than its factorization.

7273545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its digits is 29400, while the sum is 33.

The square root of 7273545 is about 2696.9510562856. The cubic root of 7273545 is about 193.7531223916.

The spelling of 7273545 in words is "seven million, two hundred seventy-three thousand, five hundred forty-five".