1494993756 has 24 divisors (see below), whose sum is σ = 3502920960. Its totient is φ = 496245232.

The previous prime is 1494993733. The next prime is 1494993757. The reversal of 1494993756 is 6573994941.

It is a junction number, because it is equal to n+sod(n) for n = 1494993696 and 1494993705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494993757) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 257766 + ... + 263501.

It is an arithmetic number, because the mean of its divisors is an integer number (145955040).

Almost surely, 2^1494993756 is an apocalyptic number.

It is an amenable number.

1494993756 is an abundant number, since it is smaller than the sum of its proper divisors (2007927204).

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

1494993756 is a wasteful number, since it uses less digits than its factorization.

1494993756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521513 (or 521511 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 57.

The square root of 1494993756 is about 38665.1491138984. The cubic root of 1494993756 is about 1143.4393300927.

The spelling of 1494993756 in words is "one billion, four hundred ninety-four million, nine hundred ninety-three thousand, seven hundred fifty-six".