74271330 has 80 divisors (see below), whose sum is σ = 228254400. Its totient is φ = 16975008.

The previous prime is 74271311. The next prime is 74271389. The reversal of 74271330 is 3317247.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74271294 and 74271303.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 880 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (2853180).

Almost surely, 2^74271330 is an apocalyptic number.

74271330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74271330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114127200).

74271330 is an abundant number, since it is smaller than the sum of its proper divisors (153983070).

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

74271330 is a wasteful number, since it uses less digits than its factorization.

74271330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125 (or 13116 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 74271330 is about 8618.0815730649. The cubic root of 74271330 is about 420.3461432189.

Adding to 74271330 its reverse (3317247), we get a palindrome (77588577).

The spelling of 74271330 in words is "seventy-four million, two hundred seventy-one thousand, three hundred thirty".