74705274 has 64 divisors (see below), whose sum is σ = 190713600. Its totient is φ = 21233664.

The previous prime is 74705273. The next prime is 74705291. The reversal of 74705274 is 47250747.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74705273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96762 + ... + 97530.

It is an arithmetic number, because the mean of its divisors is an integer number (2979900).

Almost surely, 2^74705274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74705274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95356800).

74705274 is an abundant number, since it is smaller than the sum of its proper divisors (116008326).

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

74705274 is a wasteful number, since it uses less digits than its factorization.

74705274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 74705274 is about 8643.2212745018. The cubic root of 74705274 is about 421.1632040648.

The spelling of 74705274 in words is "seventy-four million, seven hundred five thousand, two hundred seventy-four".