74331830 has 32 divisors (see below), whose sum is σ = 136359936. Its totient is φ = 29169504.

The previous prime is 74331809. The next prime is 74331833. The reversal of 74331830 is 3813347.

It is a super-2 number, since 2×74331830² = 11050441902297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74331793 and 74331802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74331833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135617 + ... + 136163.

It is an arithmetic number, because the mean of its divisors is an integer number (4261248).

Almost surely, 2^74331830 is an apocalyptic number.

74331830 is a deficient number, since it is larger than the sum of its proper divisors (62028106).

74331830 is a wasteful number, since it uses less digits than its factorization.

74331830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 74331830 is about 8621.5909204740. The cubic root of 74331830 is about 420.4602475425.

The spelling of 74331830 in words is "seventy-four million, three hundred thirty-one thousand, eight hundred thirty".