7456221874 has 8 divisors (see below), whose sum is σ = 11241106668. Its totient is φ = 3709186320.

The previous prime is 7456221847. The next prime is 7456221881. The reversal of 7456221874 is 4781226547.

It can be written as a sum of positive squares in 2 ways, for example, as 7254780625 + 201441249 = 85175^2 + 14193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 9461817 + ... + 9462604.

Almost surely, 2^7456221874 is an apocalyptic number.

7456221874 is a deficient number, since it is larger than the sum of its proper divisors (3784884794).

7456221874 is a wasteful number, since it uses less digits than its factorization.

7456221874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18924620.

The product of its digits is 752640, while the sum is 46.

The square root of 7456221874 is about 86349.4173344557. The cubic root of 7456221874 is about 1953.6178179530.

The spelling of 7456221874 in words is "seven billion, four hundred fifty-six million, two hundred twenty-one thousand, eight hundred seventy-four".