867380072 has 32 divisors (see below), whose sum is σ = 1757821800. Its totient is φ = 398870784.

The previous prime is 867380029. The next prime is 867380083. The reversal of 867380072 is 270083768.

It can be written as a sum of positive squares in 4 ways, for example, as 386279716 + 481100356 = 19654^2 + 21934^2 .

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, 13754 + ... + 43862.

Almost surely, 2^867380072 is an apocalyptic number.

It is an amenable number.

867380072 is an abundant number, since it is smaller than the sum of its proper divisors (890441728).

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

867380072 is a wasteful number, since it uses less digits than its factorization.

867380072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30405 (or 30401 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 867380072 is about 29451.3169824373. The cubic root of 867380072 is about 953.6810358452.

The spelling of 867380072 in words is "eight hundred sixty-seven million, three hundred eighty thousand, seventy-two".