972182740 has 48 divisors (see below), whose sum is σ = 2181961152. Its totient is φ = 362564096.

The previous prime is 972182737. The next prime is 972182749. The reversal of 972182740 is 47281279.

It is a junction number, because it is equal to n+sod(n) for n = 972182693 and 972182702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972182749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23019 + ... + 49741.

It is an arithmetic number, because the mean of its divisors is an integer number (45457524).

Almost surely, 2^972182740 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 972182740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090980576).

972182740 is an abundant number, since it is smaller than the sum of its proper divisors (1209778412).

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

972182740 is a wasteful number, since it uses less digits than its factorization.

972182740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26856 (or 26854 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 972182740 is about 31179.8450926235. The cubic root of 972182740 is about 990.6402483696.

The spelling of 972182740 in words is "nine hundred seventy-two million, one hundred eighty-two thousand, seven hundred forty".