1494788770 has 8 divisors (see below), whose sum is σ = 2690619804. Its totient is φ = 597915504.

The previous prime is 1494788761. The next prime is 1494788797. The reversal of 1494788770 is 778874941.

It can be written as a sum of positive squares in 2 ways, for example, as 1456261921 + 38526849 = 38161^2 + 6207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1494788770² = 4468786933836225800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 74739429 + ... + 74739448.

Almost surely, 2^1494788770 is an apocalyptic number.

1494788770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1494788770 is a deficient number, since it is larger than the sum of its proper divisors (1195831034).

1494788770 is a wasteful number, since it uses less digits than its factorization.

1494788770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149478884.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The square root of 1494788770 is about 38662.4982379566. The cubic root of 1494788770 is about 1143.3870668269.

The spelling of 1494788770 in words is "one billion, four hundred ninety-four million, seven hundred eighty-eight thousand, seven hundred seventy".