74801830 has 16 divisors (see below), whose sum is σ = 136157760. Its totient is φ = 29584192.

The previous prime is 74801801. The next prime is 74801833. The reversal of 74801830 is 3810847.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74801792 and 74801801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74801833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41134 + ... + 42913.

It is an arithmetic number, because the mean of its divisors is an integer number (8509860).

Almost surely, 2^74801830 is an apocalyptic number.

74801830 is a deficient number, since it is larger than the sum of its proper divisors (61355930).

74801830 is a wasteful number, since it uses less digits than its factorization.

74801830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84143.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 74801830 is about 8648.8051197839. The cubic root of 74801830 is about 421.3445760288.

The spelling of 74801830 in words is "seventy-four million, eight hundred one thousand, eight hundred thirty".