1995874272 has 216 divisors, whose sum is σ = 6641683776. Its totient is φ = 566866944.

The previous prime is 1995874267. The next prime is 1995874277. The reversal of 1995874272 is 2724785991.

1995874272 is a `hidden beast` number, since 19 + 9 + 587 + 42 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1995874267) and next prime (1995874277).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995874277) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3287793 + ... + 3288399.

It is an arithmetic number, because the mean of its divisors is an integer number (30748536).

Almost surely, 2^1995874272 is an apocalyptic number.

1995874272 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 1995874272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3320841888).

1995874272 is an abundant number, since it is smaller than the sum of its proper divisors (4645809504).

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

1995874272 is a wasteful number, since it uses less digits than its factorization.

1995874272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 852 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 1995874272 is about 44675.2086956513. The cubic root of 1995874272 is about 1259.0541048992.

The spelling of 1995874272 in words is "one billion, nine hundred ninety-five million, eight hundred seventy-four thousand, two hundred seventy-two".