1472736643 has 8 divisors (see below), whose sum is σ = 1683362912. Its totient is φ = 1262169216.

The previous prime is 1472736637. The next prime is 1472736647. The reversal of 1472736643 is 3466372741.

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

It is not a de Polignac number, because 1472736643 - 2⁵ = 1472736611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1472736643.

It is not an unprimeable number, because it can be changed into a prime (1472736647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77371 + ... + 94507.

It is an arithmetic number, because the mean of its divisors is an integer number (210420364).

Almost surely, 2^1472736643 is an apocalyptic number.

1472736643 is a deficient number, since it is larger than the sum of its proper divisors (210626269).

1472736643 is a wasteful number, since it uses less digits than its factorization.

1472736643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29421.

The product of its digits is 508032, while the sum is 43.

The square root of 1472736643 is about 38376.2510284681. The cubic root of 1472736643 is about 1137.7365170623.

The spelling of 1472736643 in words is "one billion, four hundred seventy-two million, seven hundred thirty-six thousand, six hundred forty-three".