1974453376 has 32 divisors (see below), whose sum is σ = 4495409280. Its totient is φ = 846193920.

The previous prime is 1974453337. The next prime is 1974453421. The reversal of 1974453376 is 6733544791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1974453376² = 7796932267995594752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100920 + ... + 1102711.

It is an arithmetic number, because the mean of its divisors is an integer number (140481540).

Almost surely, 2^1974453376 is an apocalyptic number.

1974453376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1974453376 is an abundant number, since it is smaller than the sum of its proper divisors (2520955904).

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

1974453376 is an equidigital number, since it uses as much as digits as its factorization.

1974453376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203652 (or 2203640 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The square root of 1974453376 is about 44434.8216604950. The cubic root of 1974453376 is about 1254.5335909108.

The spelling of 1974453376 in words is "one billion, nine hundred seventy-four million, four hundred fifty-three thousand, three hundred seventy-six".