74241855 has 12 divisors (see below), whose sum is σ = 128685960. Its totient is φ = 39595632.

The previous prime is 74241847. The next prime is 74241859. The reversal of 74241855 is 55814247.

It is not a de Polignac number, because 74241855 - 2³ = 74241847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74241859) 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, 824865 + ... + 824954.

It is an arithmetic number, because the mean of its divisors is an integer number (10723830).

Almost surely, 2^74241855 is an apocalyptic number.

74241855 is a deficient number, since it is larger than the sum of its proper divisors (54444105).

74241855 is a wasteful number, since it uses less digits than its factorization.

74241855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649830 (or 1649827 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 74241855 is about 8616.3713360091. The cubic root of 74241855 is about 420.2905302751.

The spelling of 74241855 in words is "seventy-four million, two hundred forty-one thousand, eight hundred fifty-five".