867074705442 has 24 divisors (see below), whose sum is σ = 2049449304240. Its totient is φ = 262749910680.

The previous prime is 867074705383. The next prime is 867074705449. The reversal of 867074705442 is 244507470768.

867074705442 is a `hidden beast` number, since 8 + 67 + 0 + 74 + 70 + 5 + 442 = 666.

It is not an unprimeable number, because it can be changed into a prime (867074705449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2189582392 + ... + 2189582787.

It is an arithmetic number, because the mean of its divisors is an integer number (85393721010).

Almost surely, 2^867074705442 is an apocalyptic number.

867074705442 is an abundant number, since it is smaller than the sum of its proper divisors (1182374598798).

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

867074705442 is a wasteful number, since it uses less digits than its factorization.

867074705442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379165198 (or 4379165195 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

It can be divided in two parts, 867074 and 705442, that added together give a square (1572516 = 1254²).

The spelling of 867074705442 in words is "eight hundred sixty-seven billion, seventy-four million, seven hundred five thousand, four hundred forty-two".