282470740 has 24 divisors (see below), whose sum is σ = 599065992. Its totient is φ = 111868800.

The previous prime is 282470737. The next prime is 282470743. The reversal of 282470740 is 47074282.

It is an interprime number because it is at equal distance from previous prime (282470737) and next prime (282470743).

It can be written as a sum of positive squares in 4 ways, for example, as 70593604 + 211877136 = 8402^2 + 14556^2 .

It is a super-2 number, since 2×282470740² = 159579437912295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 282470696 and 282470705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282470743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67899 + ... + 71938.

It is an arithmetic number, because the mean of its divisors is an integer number (24961083).

Almost surely, 2^282470740 is an apocalyptic number.

282470740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282470740 is an abundant number, since it is smaller than the sum of its proper divisors (316595252).

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

282470740 is a wasteful number, since it uses less digits than its factorization.

282470740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139947 (or 139945 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 282470740 is about 16806.8658589280. The cubic root of 282470740 is about 656.1319044939.

The spelling of 282470740 in words is "two hundred eighty-two million, four hundred seventy thousand, seven hundred forty".