8542737972 has 72 divisors (see below), whose sum is σ = 22767850560. Its totient is φ = 2693295360.

The previous prime is 8542737967. The next prime is 8542737979. The reversal of 8542737972 is 2797372458.

8542737972 is a `hidden beast` number, since 8 + 542 + 7 + 3 + 7 + 97 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542737979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421708 + ... + 441500.

Almost surely, 2^8542737972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8542737972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11383925280).

8542737972 is an abundant number, since it is smaller than the sum of its proper divisors (14225112588).

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

8542737972 is a wasteful number, since it uses less digits than its factorization.

8542737972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453 (or 20448 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 8542737972 is about 92426.9331526260. The cubic root of 8542737972 is about 2044.2422590247.

The spelling of 8542737972 in words is "eight billion, five hundred forty-two million, seven hundred thirty-seven thousand, nine hundred seventy-two".