7288630445 has 8 divisors (see below), whose sum is σ = 8889739800. Its totient is φ = 5735315520.

The previous prime is 7288630429. The next prime is 7288630463. The reversal of 7288630445 is 5440368827.

It can be written as a sum of positive squares in 4 ways, for example, as 553802089 + 6734828356 = 23533^2 + 82066^2 .

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

It is not a de Polignac number, because 7288630445 - 2⁴ = 7288630429 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7288630445.

It is a congruent 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, 11948270 + ... + 11948879.

It is an arithmetic number, because the mean of its divisors is an integer number (1111217475).

Almost surely, 2^7288630445 is an apocalyptic number.

It is an amenable number.

7288630445 is a deficient number, since it is larger than the sum of its proper divisors (1601109355).

7288630445 is a wasteful number, since it uses less digits than its factorization.

7288630445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23897215.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 7288630445 is about 85373.4762382322. The cubic root of 7288630445 is about 1938.8697888642.

The spelling of 7288630445 in words is "seven billion, two hundred eighty-eight million, six hundred thirty thousand, four hundred forty-five".