1974193452 has 192 divisors, whose sum is σ = 6518292480. Its totient is φ = 501768000.

The previous prime is 1974193451. The next prime is 1974193453. The reversal of 1974193452 is 2543914791.

1974193452 is a `hidden beast` number, since 1 + 9 + 7 + 4 + 193 + 452 = 666.

It is an interprime number because it is at equal distance from previous prime (1974193451) and next prime (1974193453).

It is a junction number, because it is equal to n+sod(n) for n = 1974193398 and 1974193407.

It is not an unprimeable number, because it can be changed into a prime (1974193451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 388327 + ... + 393377.

It is an arithmetic number, because the mean of its divisors is an integer number (33949440).

Almost surely, 2^1974193452 is an apocalyptic number.

1974193452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1974193452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3259146240).

1974193452 is an abundant number, since it is smaller than the sum of its proper divisors (4544099028).

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

1974193452 is a wasteful number, since it uses less digits than its factorization.

1974193452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129 (or 5121 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1974193452 is about 44431.8967859802. The cubic root of 1974193452 is about 1254.4785380874.

The spelling of 1974193452 in words is "one billion, nine hundred seventy-four million, one hundred ninety-three thousand, four hundred fifty-two".