1494857738 has 8 divisors (see below), whose sum is σ = 2446130880. Its totient is φ = 679480780.

The previous prime is 1494857729. The next prime is 1494857747. The reversal of 1494857738 is 8377584941.

It is an interprime number because it is at equal distance from previous prime (1494857729) and next prime (1494857747).

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

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, 33974018 + ... + 33974061.

It is an arithmetic number, because the mean of its divisors is an integer number (305766360).

Almost surely, 2^1494857738 is an apocalyptic number.

1494857738 is a deficient number, since it is larger than the sum of its proper divisors (951273142).

1494857738 is a wasteful number, since it uses less digits than its factorization.

1494857738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67948092.

The product of its digits is 6773760, while the sum is 56.

The square root of 1494857738 is about 38663.3901514081. The cubic root of 1494857738 is about 1143.4046514533.

The spelling of 1494857738 in words is "one billion, four hundred ninety-four million, eight hundred fifty-seven thousand, seven hundred thirty-eight".