7257196845 has 24 divisors (see below), whose sum is σ = 12645015552. Its totient is φ = 3850236000.

The previous prime is 7257196823. The next prime is 7257196867. The reversal of 7257196845 is 5486917527.

7257196845 is a `hidden beast` number, since 7 + 2 + 571 + 9 + 68 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (7257196823) and next prime (7257196867).

It is not a de Polignac number, because 7257196845 - 2¹² = 7257192749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7257196791 and 7257196800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413581 + ... + 430770.

It is an arithmetic number, because the mean of its divisors is an integer number (526875648).

Almost surely, 2^7257196845 is an apocalyptic number.

It is an amenable number.

7257196845 is a deficient number, since it is larger than the sum of its proper divisors (5387818707).

7257196845 is a wasteful number, since it uses less digits than its factorization.

7257196845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844553 (or 844550 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 7257196845 is about 85189.1826759712. The cubic root of 7257196845 is about 1936.0785245973.

The spelling of 7257196845 in words is "seven billion, two hundred fifty-seven million, one hundred ninety-six thousand, eight hundred forty-five".