82672730 has 16 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 28344912.

The previous prime is 82672697. The next prime is 82672771. The reversal of 82672730 is 3727628.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590450 + ... + 590589.

It is an arithmetic number, because the mean of its divisors is an integer number (10629360).

Almost surely, 2^82672730 is an apocalyptic number.

82672730 is an abundant number, since it is smaller than the sum of its proper divisors (87397030).

82672730 is a wasteful number, since it uses less digits than its factorization.

82672730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181053.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 82672730 is about 9092.4545640877. The cubic root of 82672730 is about 435.6329887099.

The spelling of 82672730 in words is "eighty-two million, six hundred seventy-two thousand, seven hundred thirty".