74272068 has 72 divisors (see below), whose sum is σ = 203717696. Its totient is φ = 22680000.

The previous prime is 74272049. The next prime is 74272109. The reversal of 74272068 is 86027247.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70143 + ... + 71193.

Almost surely, 2^74272068 is an apocalyptic number.

74272068 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74272068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101858848).

74272068 is an abundant number, since it is smaller than the sum of its proper divisors (129445628).

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

74272068 is a wasteful number, since it uses less digits than its factorization.

74272068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 74272068 is about 8618.1243899122. The cubic root of 74272068 is about 420.3475354763.

The spelling of 74272068 in words is "seventy-four million, two hundred seventy-two thousand, sixty-eight".