74805630 has 32 divisors (see below), whose sum is σ = 180835200. Its totient is φ = 19803552.

The previous prime is 74805629. The next prime is 74805713. The reversal of 74805630 is 3650847.

It is a junction number, because it is equal to n+sod(n) for n = 74805591 and 74805600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 13139.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^74805630 is an apocalyptic number.

74805630 is an abundant number, since it is smaller than the sum of its proper divisors (106029570).

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

74805630 is a wasteful number, since it uses less digits than its factorization.

74805630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18088.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 74805630 is about 8649.0248005194. The cubic root of 74805630 is about 421.3517108020.

The spelling of 74805630 in words is "seventy-four million, eight hundred five thousand, six hundred thirty".