867730071 has 16 divisors (see below), whose sum is σ = 1249754240. Its totient is φ = 532366560.

The previous prime is 867730043. The next prime is 867730079. The reversal of 867730071 is 170037768.

867730071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 867730071 - 2¹⁷ = 867598999 is a prime.

It is a super-2 number, since 2×867730071² = 1505910952235330082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867730079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20701 + ... + 46518.

It is an arithmetic number, because the mean of its divisors is an integer number (78109640).

Almost surely, 2^867730071 is an apocalyptic number.

867730071 is a deficient number, since it is larger than the sum of its proper divisors (382024169).

867730071 is a wasteful number, since it uses less digits than its factorization.

867730071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67566.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 867730071 is about 29457.2583754836. The cubic root of 867730071 is about 953.8092927781.

The spelling of 867730071 in words is "eight hundred sixty-seven million, seven hundred thirty thousand, seventy-one".