8742630 has 64 divisors (see below), whose sum is σ = 23405760. Its totient is φ = 2075136.

The previous prime is 8742623. The next prime is 8742637. The reversal of 8742630 is 362478.

8742630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8742623) and next prime (8742637).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10924 + ... + 11696.

It is an arithmetic number, because the mean of its divisors is an integer number (365715).

Almost surely, 2^8742630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8742630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11702880).

8742630 is an abundant number, since it is smaller than the sum of its proper divisors (14663130).

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

8742630 is a wasteful number, since it uses less digits than its factorization.

8742630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 8742630 is about 2956.7938717469. The cubic root of 8742630 is about 206.0063937438.

The spelling of 8742630 in words is "eight million, seven hundred forty-two thousand, six hundred thirty".