7474812849 has 81 divisors (see below), whose sum is σ = 13203295833. Its totient is φ = 4062787344.

The previous prime is 7474812827. The next prime is 7474812871. The reversal of 7474812849 is 9482184747.

The square root of 7474812849 is 86457.

It is a perfect power (a square), and thus also a powerful number.

7474812849 is a `hidden beast` number, since 7 + 474 + 8 + 128 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (7474812827) and next prime (7474812871).

It is not a de Polignac number, because 7474812849 - 2⁵ = 7474812817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7474812795 and 7474812804.

It is not an unprimeable number, because it can be changed into a prime (7474812809) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 41758642 + ... + 41758820.

Almost surely, 2^7474812849 is an apocalyptic number.

7474812849 is the 86457-th square number.

7474812849 is the 43229-th centered octagonal number.

It is an amenable number.

7474812849 is a deficient number, since it is larger than the sum of its proper divisors (5728482984).

7474812849 is a wasteful number, since it uses less digits than its factorization.

7474812849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 212 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The cubic root of 7474812849 is about 1955.2401550422.

The spelling of 7474812849 in words is "seven billion, four hundred seventy-four million, eight hundred twelve thousand, eight hundred forty-nine".