1494894672 has 60 divisors (see below), whose sum is σ = 4192347744. Its totient is φ = 497259840.

The previous prime is 1494894671. The next prime is 1494894691. The reversal of 1494894672 is 2764984941.

1494894672 is a `hidden beast` number, since 1 + 494 + 8 + 94 + 67 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494894671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60133 + ... + 81275.

Almost surely, 2^1494894672 is an apocalyptic number.

1494894672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1494894672 is an abundant number, since it is smaller than the sum of its proper divisors (2697453072).

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

1494894672 is a wasteful number, since it uses less digits than its factorization.

1494894672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21648 (or 21639 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 1494894672 is about 38663.8677837590. The cubic root of 1494894672 is about 1143.4140682156.

The spelling of 1494894672 in words is "one billion, four hundred ninety-four million, eight hundred ninety-four thousand, six hundred seventy-two".