74530550 has 24 divisors (see below), whose sum is σ = 146783016. Its totient is φ = 28058240.

The previous prime is 74530523. The next prime is 74530553. The reversal of 74530550 is 5503547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74530553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42992 + ... + 44691.

It is an arithmetic number, because the mean of its divisors is an integer number (6115959).

Almost surely, 2^74530550 is an apocalyptic number.

74530550 is a deficient number, since it is larger than the sum of its proper divisors (72252466).

74530550 is a wasteful number, since it uses less digits than its factorization.

74530550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87712 (or 87707 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 74530550 is about 8633.1077834115. The cubic root of 74530550 is about 420.8346027040.

The spelling of 74530550 in words is "seventy-four million, five hundred thirty thousand, five hundred fifty".