7285871445 has 16 divisors (see below), whose sum is σ = 11699485440. Its totient is φ = 3871767744.

The previous prime is 7285871393. The next prime is 7285871447. The reversal of 7285871445 is 5441785827.

It is a happy number.

It is not a de Polignac number, because 7285871445 - 2²¹ = 7283774293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285871447) 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, 872605 + ... + 880914.

It is an arithmetic number, because the mean of its divisors is an integer number (731217840).

Almost surely, 2^7285871445 is an apocalyptic number.

It is an amenable number.

7285871445 is a deficient number, since it is larger than the sum of its proper divisors (4413613995).

7285871445 is a wasteful number, since it uses less digits than its factorization.

7285871445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753804.

The product of its digits is 2508800, while the sum is 51.

The square root of 7285871445 is about 85357.3162945040. The cubic root of 7285871445 is about 1938.6251147836.

The spelling of 7285871445 in words is "seven billion, two hundred eighty-five million, eight hundred seventy-one thousand, four hundred forty-five".