1494076978 has 8 divisors (see below), whose sum is σ = 2241699372. Its totient is φ = 746843856.

The previous prime is 1494076939. The next prime is 1494076979. The reversal of 1494076978 is 8796704941.

It can be written as a sum of positive squares in 2 ways, for example, as 1412481889 + 81595089 = 37583^2 + 9033^2 .

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

It is a super-2 number, since 2×1494076978² = 4464532032379224968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1494076979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87525 + ... + 103192.

Almost surely, 2^1494076978 is an apocalyptic number.

1494076978 is a deficient number, since it is larger than the sum of its proper divisors (747622394).

1494076978 is a wasteful number, since it uses less digits than its factorization.

1494076978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194636.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 1494076978 is about 38653.2919426017. The cubic root of 1494076978 is about 1143.2055511063.

The spelling of 1494076978 in words is "one billion, four hundred ninety-four million, seventy-six thousand, nine hundred seventy-eight".