1478390974 has 4 divisors (see below), whose sum is σ = 2217586464. Its totient is φ = 739195486.

The previous prime is 1478390959. The next prime is 1478391011. The reversal of 1478390974 is 4790938741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4790938741 = 31 ⋅154546411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369597742 + ... + 369597745.

It is an arithmetic number, because the mean of its divisors is an integer number (554396616).

Almost surely, 2^1478390974 is an apocalyptic number.

1478390974 is a deficient number, since it is larger than the sum of its proper divisors (739195490).

1478390974 is an equidigital number, since it uses as much as digits as its factorization.

1478390974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739195489.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 1478390974 is about 38449.8501167430. The cubic root of 1478390974 is about 1139.1907085750.

The spelling of 1478390974 in words is "one billion, four hundred seventy-eight million, three hundred ninety thousand, nine hundred seventy-four".