7628254245 has 32 divisors (see below), whose sum is σ = 13573900800. Its totient is φ = 4064634432.

The previous prime is 7628254243. The next prime is 7628254261. The reversal of 7628254245 is 5424528267.

7628254245 is a `hidden beast` number, since 7 + 62 + 8 + 2 + 542 + 45 = 666.

It is not a de Polignac number, because 7628254245 - 2¹ = 7628254243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7628254245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7628254243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123291 + ... + 174519.

It is an arithmetic number, because the mean of its divisors is an integer number (424184400).

Almost surely, 2^7628254245 is an apocalyptic number.

It is an amenable number.

7628254245 is a deficient number, since it is larger than the sum of its proper divisors (5945646555).

7628254245 is a wasteful number, since it uses less digits than its factorization.

7628254245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52346 (or 52340 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 7628254245 is about 87339.8777477963. The cubic root of 7628254245 is about 1968.5285588578.

The spelling of 7628254245 in words is "seven billion, six hundred twenty-eight million, two hundred fifty-four thousand, two hundred forty-five".