74484630 has 128 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 17452800.

The previous prime is 74484629. The next prime is 74484677. The reversal of 74484630 is 3648447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91666 + ... + 92474.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^74484630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74484630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111974400).

74484630 is an abundant number, since it is smaller than the sum of its proper divisors (149464170).

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

74484630 is a wasteful number, since it uses less digits than its factorization.

74484630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 74484630 is about 8630.4478446950. The cubic root of 74484630 is about 420.7481562954.

The spelling of 74484630 in words is "seventy-four million, four hundred eighty-four thousand, six hundred thirty".