74731230 has 48 divisors (see below), whose sum is σ = 222060384. Its totient is φ = 17081280.

The previous prime is 74731211. The next prime is 74731243. The reversal of 74731230 is 3213747.

It is a junction number, because it is equal to n+sod(n) for n = 74731194 and 74731203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58681 + ... + 59940.

It is an arithmetic number, because the mean of its divisors is an integer number (4626258).

Almost surely, 2^74731230 is an apocalyptic number.

74731230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74731230 is an abundant number, since it is smaller than the sum of its proper divisors (147329154).

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

74731230 is a wasteful number, since it uses less digits than its factorization.

74731230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118641 (or 118638 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 74731230 is about 8644.7226676164. The cubic root of 74731230 is about 421.2119754822.

Adding to 74731230 its reverse (3213747), we get a palindrome (77944977).

The spelling of 74731230 in words is "seventy-four million, seven hundred thirty-one thousand, two hundred thirty".