1974462494 has 24 divisors (see below), whose sum is σ = 3039073560. Its totient is φ = 961786160.

The previous prime is 1974462493. The next prime is 1974462533. The reversal of 1974462494 is 4942644791.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974462493) 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 11 ways as a sum of consecutive naturals, for example, 6348599 + ... + 6348909.

It is an arithmetic number, because the mean of its divisors is an integer number (126628065).

Almost surely, 2^1974462494 is an apocalyptic number.

1974462494 is a deficient number, since it is larger than the sum of its proper divisors (1064611066).

1974462494 is an equidigital number, since it uses as much as digits as its factorization.

1974462494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 545 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 1974462494 is about 44434.9242600907. The cubic root of 1974462494 is about 1254.5355220478.

The spelling of 1974462494 in words is "one billion, nine hundred seventy-four million, four hundred sixty-two thousand, four hundred ninety-four".