7273253545 has 8 divisors (see below), whose sum is σ = 9107378496. Its totient is φ = 5565620016.

The previous prime is 7273253539. The next prime is 7273253557. The reversal of 7273253545 is 5453523727.

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 7273253545 - 2⁹ = 7273253033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31622727 + ... + 31622956.

It is an arithmetic number, because the mean of its divisors is an integer number (1138422312).

Almost surely, 2^7273253545 is an apocalyptic number.

It is an amenable number.

7273253545 is a deficient number, since it is larger than the sum of its proper divisors (1834124951).

7273253545 is a wasteful number, since it uses less digits than its factorization.

7273253545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63245711.

The product of its digits is 882000, while the sum is 43.

The square root of 7273253545 is about 85283.3720311293. The cubic root of 7273253545 is about 1937.5053442516.

The spelling of 7273253545 in words is "seven billion, two hundred seventy-three million, two hundred fifty-three thousand, five hundred forty-five".