71674384 has 30 divisors (see below), whose sum is σ = 146574510. Its totient is φ = 33948288.

The previous prime is 71674381. The next prime is 71674411. The reversal of 71674384 is 48347617.

It can be written as a sum of positive squares in only one way, i.e., 41731600 + 29942784 = 6460^2 + 5472^2 .

It is not an unprimeable number, because it can be changed into a prime (71674381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 429 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (4885817).

Almost surely, 2^71674384 is an apocalyptic number.

It is an amenable number.

71674384 is an abundant number, since it is smaller than the sum of its proper divisors (74900126).

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

71674384 is a wasteful number, since it uses less digits than its factorization.

71674384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12455 (or 12430 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 71674384 is about 8466.0725250851. The cubic root of 71674384 is about 415.3886792610.

The spelling of 71674384 in words is "seventy-one million, six hundred seventy-four thousand, three hundred eighty-four".