1974423904 has 12 divisors (see below), whose sum is σ = 3887147124. Its totient is φ = 987211936.

The previous prime is 1974423901. The next prime is 1974423947. The reversal of 1974423904 is 4093244791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974423901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30850342 + ... + 30850405.

It is an arithmetic number, because the mean of its divisors is an integer number (323928927).

Almost surely, 2^1974423904 is an apocalyptic number.

It is an amenable number.

1974423904 is a deficient number, since it is larger than the sum of its proper divisors (1912723220).

1974423904 is an equidigital number, since it uses as much as digits as its factorization.

1974423904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61700757 (or 61700749 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1974423904 is about 44434.4900274550. The cubic root of 1974423904 is about 1254.5273488798.

The spelling of 1974423904 in words is "one billion, nine hundred seventy-four million, four hundred twenty-three thousand, nine hundred four".