840526074 has 48 divisors (see below), whose sum is σ = 1867529664. Its totient is φ = 273067200.

The previous prime is 840526073. The next prime is 840526103. The reversal of 840526074 is 470625048.

840526074 is a `hidden beast` number, since 8 + 40 + 5 + 2 + 607 + 4 = 666.

840526074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (840526073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487534 + ... + 489254.

It is an arithmetic number, because the mean of its divisors is an integer number (38906868).

Almost surely, 2^840526074 is an apocalyptic number.

840526074 is an abundant number, since it is smaller than the sum of its proper divisors (1027003590).

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

840526074 is a wasteful number, since it uses less digits than its factorization.

840526074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 840526074 is about 28991.8277105808. The cubic root of 840526074 is about 943.7357276674.

The spelling of 840526074 in words is "eight hundred forty million, five hundred twenty-six thousand, seventy-four".