1974195552 has 48 divisors (see below), whose sum is σ = 5922588672. Its totient is φ = 564055680.

The previous prime is 1974195523. The next prime is 1974195557. The reversal of 1974195552 is 2555914791.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974195557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468224 + ... + 1469567.

It is an arithmetic number, because the mean of its divisors is an integer number (123387264).

Almost surely, 2^1974195552 is an apocalyptic number.

1974195552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1974195552 is an abundant number, since it is smaller than the sum of its proper divisors (3948393120).

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

1974195552 is a wasteful number, since it uses less digits than its factorization.

1974195552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937811 (or 2937803 counting only the distinct ones).

The product of its digits is 567000, while the sum is 48.

The square root of 1974195552 is about 44431.9204176457. The cubic root of 1974195552 is about 1254.4789828942.

The spelling of 1974195552 in words is "one billion, nine hundred seventy-four million, one hundred ninety-five thousand, five hundred fifty-two".