7474894245 has 160 divisors (see below), whose sum is σ = 16631881728. Its totient is φ = 3127444992.

The previous prime is 7474894211. The next prime is 7474894247. The reversal of 7474894245 is 5424984747.

7474894245 is a `hidden beast` number, since 74 + 74 + 89 + 424 + 5 = 666.

It is not a de Polignac number, because 7474894245 - 2¹⁰ = 7474893221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7474894191 and 7474894200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474894247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4679787 + ... + 4681383.

Almost surely, 2^7474894245 is an apocalyptic number.

It is an amenable number.

7474894245 is an abundant number, since it is smaller than the sum of its proper divisors (9156987483).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7474894245 is a wasteful number, since it uses less digits than its factorization.

7474894245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1752 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The square root of 7474894245 is about 86457.4707298334. The cubic root of 7474894245 is about 1955.2472521274.

The spelling of 7474894245 in words is "seven billion, four hundred seventy-four million, eight hundred ninety-four thousand, two hundred forty-five".