842506974 has 64 divisors (see below), whose sum is σ = 1990656000. Its totient is φ = 263536416.

The previous prime is 842506969. The next prime is 842507011. The reversal of 842506974 is 479605248.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59427 + ... + 72225.

It is an arithmetic number, because the mean of its divisors is an integer number (31104000).

Almost surely, 2^842506974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842506974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995328000).

842506974 is an abundant number, since it is smaller than the sum of its proper divisors (1148149026).

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

842506974 is a wasteful number, since it uses less digits than its factorization.

842506974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886 (or 12880 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 842506974 is about 29025.9706814432. The cubic root of 842506974 is about 944.4765253980.

The spelling of 842506974 in words is "eight hundred forty-two million, five hundred six thousand, nine hundred seventy-four".