8632740 has 24 divisors (see below), whose sum is σ = 24171840. Its totient is φ = 2302048.

The previous prime is 8632727. The next prime is 8632759. The reversal of 8632740 is 472368.

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

It is a junction number, because it is equal to n+sod(n) for n = 8632698 and 8632707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71880 + ... + 71999.

It is an arithmetic number, because the mean of its divisors is an integer number (1007160).

Almost surely, 2^8632740 is an apocalyptic number.

It is an amenable number.

8632740 is an abundant number, since it is smaller than the sum of its proper divisors (15539100).

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

8632740 is a wasteful number, since it uses less digits than its factorization.

8632740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143891 (or 143889 counting only the distinct ones).

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

The square root of 8632740 is about 2938.1524807266. The cubic root of 8632740 is about 205.1396233040.

The spelling of 8632740 in words is "eight million, six hundred thirty-two thousand, seven hundred forty".