74859456 has 168 divisors, whose sum is σ = 235701840. Its totient is φ = 20901888.

The previous prime is 74859437. The next prime is 74859461. The reversal of 74859456 is 65495847.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686730 + ... + 686838.

Almost surely, 2^74859456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74859456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117850920).

74859456 is an abundant number, since it is smaller than the sum of its proper divisors (160842384).

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

74859456 is a wasteful number, since it uses less digits than its factorization.

74859456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 194 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 74859456 is about 8652.1359212624. The cubic root of 74859456 is about 421.4527470461.

The spelling of 74859456 in words is "seventy-four million, eight hundred fifty-nine thousand, four hundred fifty-six".