74238208 has 72 divisors (see below), whose sum is σ = 165858336. Its totient is φ = 32870400.

The previous prime is 74238191. The next prime is 74238223. The reversal of 74238208 is 80283247.

It is a super-2 number, since 2×74238208² = 11022623054102528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115135 + ... + 115777.

It is an arithmetic number, because the mean of its divisors is an integer number (2303588).

Almost surely, 2^74238208 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 74238208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82929168).

74238208 is an abundant number, since it is smaller than the sum of its proper divisors (91620128).

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

74238208 is a wasteful number, since it uses less digits than its factorization.

74238208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 74238208 is about 8616.1597013983. The cubic root of 74238208 is about 420.2836481524.

The spelling of 74238208 in words is "seventy-four million, two hundred thirty-eight thousand, two hundred eight".