7473381646 has 8 divisors (see below), whose sum is σ = 11248332984. Its totient is φ = 3723937320.

The previous prime is 7473381631. The next prime is 7473381659. The reversal of 7473381646 is 6461833747.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7473381646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6376020 + ... + 6377191.

It is an arithmetic number, because the mean of its divisors is an integer number (1406041623).

Almost surely, 2^7473381646 is an apocalyptic number.

7473381646 is a deficient number, since it is larger than the sum of its proper divisors (3774951338).

7473381646 is a wasteful number, since it uses less digits than its factorization.

7473381646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12753506.

The product of its digits is 2032128, while the sum is 49.

The square root of 7473381646 is about 86448.7226394931. The cubic root of 7473381646 is about 1955.1153570818.

The spelling of 7473381646 in words is "seven billion, four hundred seventy-three million, three hundred eighty-one thousand, six hundred forty-six".