74052550 has 48 divisors (see below), whose sum is σ = 161833392. Its totient is φ = 24854400.

The previous prime is 74052547. The next prime is 74052551. The reversal of 74052550 is 5525047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74052551) 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, 1972 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (3371529).

Almost surely, 2^74052550 is an apocalyptic number.

74052550 is an abundant number, since it is smaller than the sum of its proper divisors (87780842).

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

74052550 is a wasteful number, since it uses less digits than its factorization.

74052550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393 (or 10388 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 74052550 is about 8605.3791316827. The cubic root of 74052550 is about 419.9330014066.

Adding to 74052550 its reverse (5525047), we get a palindrome (79577597).

The spelling of 74052550 in words is "seventy-four million, fifty-two thousand, five hundred fifty".