1472746646 has 32 divisors (see below), whose sum is σ = 2636198400. Its totient is φ = 616486248.

The previous prime is 1472746621. The next prime is 1472746651. The reversal of 1472746646 is 6466472741.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1472746646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4535 + ... + 54461.

It is an arithmetic number, because the mean of its divisors is an integer number (82381200).

Almost surely, 2^1472746646 is an apocalyptic number.

1472746646 is a deficient number, since it is larger than the sum of its proper divisors (1163451754).

1472746646 is an equidigital number, since it uses as much as digits as its factorization.

1472746646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49993 (or 49979 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 47.

The square root of 1472746646 is about 38376.3813562457. The cubic root of 1472746646 is about 1137.7390929364.

The spelling of 1472746646 in words is "one billion, four hundred seventy-two million, seven hundred forty-six thousand, six hundred forty-six".