74620854 has 96 divisors (see below), whose sum is σ = 213497856. Its totient is φ = 18236160.

The previous prime is 74620831. The next prime is 74620883. The reversal of 74620854 is 45802647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21979 + ... + 25145.

It is an arithmetic number, because the mean of its divisors is an integer number (2223936).

Almost surely, 2^74620854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74620854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106748928).

74620854 is an abundant number, since it is smaller than the sum of its proper divisors (138877002).

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

74620854 is a wasteful number, since it uses less digits than its factorization.

74620854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210 (or 3207 counting only the distinct ones).

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

The square root of 74620854 is about 8638.3362981537. The cubic root of 74620854 is about 421.0045004155.

The spelling of 74620854 in words is "seventy-four million, six hundred twenty thousand, eight hundred fifty-four".