867481974 has 40 divisors (see below), whose sum is σ = 2046114840. Its totient is φ = 273940704.

The previous prime is 867481973. The next prime is 867481981. The reversal of 867481974 is 479184768.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 867481974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867481973) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137839 + ... + 143994.

It is an arithmetic number, because the mean of its divisors is an integer number (51152871).

Almost surely, 2^867481974 is an apocalyptic number.

867481974 is an abundant number, since it is smaller than the sum of its proper divisors (1178632866).

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

867481974 is a wasteful number, since it uses less digits than its factorization.

867481974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281866 (or 281857 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 867481974 is about 29453.0469391539. The cubic root of 867481974 is about 953.7183813345.

The spelling of 867481974 in words is "eight hundred sixty-seven million, four hundred eighty-one thousand, nine hundred seventy-four".