7219636474 has 48 divisors (see below), whose sum is σ = 11565433152. Its totient is φ = 3379140864.

The previous prime is 7219636453. The next prime is 7219636493. The reversal of 7219636474 is 4746369127.

It is a super-2 number, since 2×7219636474² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10570137 + ... + 10570819.

It is an arithmetic number, because the mean of its divisors is an integer number (240946524).

Almost surely, 2^7219636474 is an apocalyptic number.

7219636474 is a deficient number, since it is larger than the sum of its proper divisors (4345796678).

7219636474 is a wasteful number, since it uses less digits than its factorization.

7219636474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 908 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 49.

The square root of 7219636474 is about 84968.4439895188. The cubic root of 7219636474 is about 1932.7326208676.

The spelling of 7219636474 in words is "seven billion, two hundred nineteen million, six hundred thirty-six thousand, four hundred seventy-four".