854620074 has 144 divisors (see below), whose sum is σ = 2391236640. Its totient is φ = 218070720.

The previous prime is 854620037. The next prime is 854620079. The reversal of 854620074 is 470026458.

It is not an unprimeable number, because it can be changed into a prime (854620079) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 571672 + ... + 573164.

It is an arithmetic number, because the mean of its divisors is an integer number (16605810).

Almost surely, 2^854620074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854620074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195618320).

854620074 is an abundant number, since it is smaller than the sum of its proper divisors (1536616566).

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

854620074 is a wasteful number, since it uses less digits than its factorization.

854620074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1575 counting only the distinct ones).

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

The square root of 854620074 is about 29233.8857150397. The cubic root of 854620074 is about 948.9813916907.

The spelling of 854620074 in words is "eight hundred fifty-four million, six hundred twenty thousand, seventy-four".