1472077644 has 12 divisors (see below), whose sum is σ = 3434847864. Its totient is φ = 490692544.

The previous prime is 1472077637. The next prime is 1472077667. The reversal of 1472077644 is 4467702741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1472077596 and 1472077605.

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, 61336557 + ... + 61336580.

It is an arithmetic number, because the mean of its divisors is an integer number (286237322).

Almost surely, 2^1472077644 is an apocalyptic number.

It is an amenable number.

1472077644 is an abundant number, since it is smaller than the sum of its proper divisors (1962770220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1472077644 is a wasteful number, since it uses less digits than its factorization.

1472077644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122673144 (or 122673142 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 1472077644 is about 38367.6640414816. The cubic root of 1472077644 is about 1137.5667924230.

The spelling of 1472077644 in words is "one billion, four hundred seventy-two million, seventy-seven thousand, six hundred forty-four".