8472730 has 16 divisors (see below), whose sum is σ = 17429760. Its totient is φ = 2904912.

The previous prime is 8472721. The next prime is 8472733. The reversal of 8472730 is 372748.

It is a junction number, because it is equal to n+sod(n) for n = 8472692 and 8472701.

It is not an unprimeable number, because it can be changed into a prime (8472733) 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, 60450 + ... + 60589.

It is an arithmetic number, because the mean of its divisors is an integer number (1089360).

Almost surely, 2^8472730 is an apocalyptic number.

8472730 is an abundant number, since it is smaller than the sum of its proper divisors (8957030).

8472730 is a wasteful number, since it uses less digits than its factorization.

8472730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121053.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 8472730 is about 2910.7954239348. The cubic root of 8472730 is about 203.8642727822.

The spelling of 8472730 in words is "eight million, four hundred seventy-two thousand, seven hundred thirty".