1494792775 has 18 divisors (see below), whose sum is σ = 2156164080. Its totient is φ = 1024999920.

The previous prime is 1494792773. The next prime is 1494792781. The reversal of 1494792775 is 5772974941.

It is not a de Polignac number, because 1494792775 - 2¹ = 1494792773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494792773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 608895 + ... + 611344.

Almost surely, 2^1494792775 is an apocalyptic number.

1494792775 is a deficient number, since it is larger than the sum of its proper divisors (661371305).

1494792775 is a wasteful number, since it uses less digits than its factorization.

1494792775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220263 (or 1220251 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 55.

The square root of 1494792775 is about 38662.5500322987. The cubic root of 1494792775 is about 1143.3880879881.

The spelling of 1494792775 in words is "one billion, four hundred ninety-four million, seven hundred ninety-two thousand, seven hundred seventy-five".