74911908 has 48 divisors (see below), whose sum is σ = 186368000. Its totient is φ = 23351328.

The previous prime is 74911871. The next prime is 74911909. The reversal of 74911908 is 80911947.

It is a happy number.

It is a super-2 number, since 2×74911908² = 11223587920400928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74911909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15933 + ... + 20091.

Almost surely, 2^74911908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74911908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93184000).

74911908 is an abundant number, since it is smaller than the sum of its proper divisors (111456092).

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

74911908 is a wasteful number, since it uses less digits than its factorization.

74911908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 74911908 is about 8655.1665495240. The cubic root of 74911908 is about 421.5511575861.

Adding to 74911908 its sum of digits (39), we get a palindrome (74911947).

The spelling of 74911908 in words is "seventy-four million, nine hundred eleven thousand, nine hundred eight".