7302872945 has 16 divisors (see below), whose sum is σ = 9459797760. Its totient is φ = 5395583424.

The previous prime is 7302872921. The next prime is 7302872977. The reversal of 7302872945 is 5492782037.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7302872945 - 2⁶ = 7302872881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7302872945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091549 + ... + 1098218.

It is an arithmetic number, because the mean of its divisors is an integer number (591237360).

Almost surely, 2^7302872945 is an apocalyptic number.

It is an amenable number.

7302872945 is a deficient number, since it is larger than the sum of its proper divisors (2156924815).

7302872945 is a wasteful number, since it uses less digits than its factorization.

7302872945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189824.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 7302872945 is about 85456.8484382615. The cubic root of 7302872945 is about 1940.1318634463.

The spelling of 7302872945 in words is "seven billion, three hundred two million, eight hundred seventy-two thousand, nine hundred forty-five".