1974008478 has 16 divisors (see below), whose sum is σ = 4251710736. Its totient is φ = 607387200.

The previous prime is 1974008473. The next prime is 1974008513. The reversal of 1974008478 is 8748004791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974008473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12653823 + ... + 12653978.

It is an arithmetic number, because the mean of its divisors is an integer number (265731921).

Almost surely, 2^1974008478 is an apocalyptic number.

1974008478 is an abundant number, since it is smaller than the sum of its proper divisors (2277702258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1974008478 is a wasteful number, since it uses less digits than its factorization.

1974008478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25307819.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1974008478 is about 44429.8151920532. The cubic root of 1974008478 is about 1254.4393569963.

The spelling of 1974008478 in words is "one billion, nine hundred seventy-four million, eight thousand, four hundred seventy-eight".