1974673880 has 16 divisors (see below), whose sum is σ = 4443016320. Its totient is φ = 789869536.

The previous prime is 1974673859. The next prime is 1974673889. The reversal of 1974673880 is 883764791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974673889) 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, 24683384 + ... + 24683463.

It is an arithmetic number, because the mean of its divisors is an integer number (277688520).

Almost surely, 2^1974673880 is an apocalyptic number.

1974673880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1974673880 is an abundant number, since it is smaller than the sum of its proper divisors (2468342440).

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

1974673880 is a wasteful number, since it uses less digits than its factorization.

1974673880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49366858 (or 49366854 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 1974673880 is about 44437.3027984373. The cubic root of 1974673880 is about 1254.5802906508.

The spelling of 1974673880 in words is "one billion, nine hundred seventy-four million, six hundred seventy-three thousand, eight hundred eighty".