74661055 has 12 divisors (see below), whose sum is σ = 104221080. Its totient is φ = 51195984.

The previous prime is 74661053. The next prime is 74661061. The reversal of 74661055 is 55016647.

It is a happy number.

It is not a de Polignac number, because 74661055 - 2¹ = 74661053 is a prime.

It is a super-3 number, since 3×74661055³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74661055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74661053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152125 + ... + 152614.

It is an arithmetic number, because the mean of its divisors is an integer number (8685090).

Almost surely, 2^74661055 is an apocalyptic number.

74661055 is a deficient number, since it is larger than the sum of its proper divisors (29560025).

74661055 is a wasteful number, since it uses less digits than its factorization.

74661055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304758 (or 304751 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 74661055 is about 8640.6628796638. The cubic root of 74661055 is about 421.0800903817.

The spelling of 74661055 in words is "seventy-four million, six hundred sixty-one thousand, fifty-five".