74030550 has 48 divisors (see below), whose sum is σ = 200290752. Its totient is φ = 17946400.

The previous prime is 74030549. The next prime is 74030557. The reversal of 74030550 is 5503047.

It is a self number, because there is not a number n which added to its sum of digits gives 74030550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74030557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20784 + ... + 24083.

It is an arithmetic number, because the mean of its divisors is an integer number (4172724).

Almost surely, 2^74030550 is an apocalyptic number.

74030550 is an abundant number, since it is smaller than the sum of its proper divisors (126260202).

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

74030550 is a wasteful number, since it uses less digits than its factorization.

74030550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44893 (or 44888 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 74030550 is about 8604.1007664950. The cubic root of 74030550 is about 419.8914118370.

Adding to 74030550 its reverse (5503047), we get a palindrome (79533597).

The spelling of 74030550 in words is "seventy-four million, thirty thousand, five hundred fifty".