1493318772 has 36 divisors (see below), whose sum is σ = 4117940736. Its totient is φ = 452520720.

The previous prime is 1493318767. The next prime is 1493318791. The reversal of 1493318772 is 2778133941.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1885108 + ... + 1885899.

Almost surely, 2^1493318772 is an apocalyptic number.

1493318772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1493318772 is an abundant number, since it is smaller than the sum of its proper divisors (2624621964).

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

1493318772 is a wasteful number, since it uses less digits than its factorization.

1493318772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771028 (or 3771023 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 1493318772 is about 38643.4829175632. The cubic root of 1493318772 is about 1143.0121358213.

The spelling of 1493318772 in words is "one billion, four hundred ninety-three million, three hundred eighteen thousand, seven hundred seventy-two".