7449145773 has 8 divisors (see below), whose sum is σ = 9932666208. Its totient is φ = 4965861264.

The previous prime is 7449145751. The next prime is 7449145877. The reversal of 7449145773 is 3775419447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7449145773 - 2⁹ = 7449145261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7449145703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37015 + ... + 127547.

It is an arithmetic number, because the mean of its divisors is an integer number (1241583276).

Almost surely, 2^7449145773 is an apocalyptic number.

It is an amenable number.

7449145773 is a deficient number, since it is larger than the sum of its proper divisors (2483520435).

7449145773 is a wasteful number, since it uses less digits than its factorization.

7449145773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117963.

The product of its digits is 2963520, while the sum is 51.

The square root of 7449145773 is about 86308.4339621569. The cubic root of 7449145773 is about 1952.9996151233. Note that the first 3 decimals are identical.

The spelling of 7449145773 in words is "seven billion, four hundred forty-nine million, one hundred forty-five thousand, seven hundred seventy-three".