74471238 has 48 divisors (see below), whose sum is σ = 172763136. Its totient is φ = 24018120.

The previous prime is 74471231. The next prime is 74471249. The reversal of 74471238 is 83217447.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74471231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12595 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (3599232).

Almost surely, 2^74471238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74471238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86381568).

74471238 is an abundant number, since it is smaller than the sum of its proper divisors (98291898).

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

74471238 is a wasteful number, since it uses less digits than its factorization.

74471238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991 (or 4979 counting only the distinct ones).

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

The square root of 74471238 is about 8629.6719520501. The cubic root of 74471238 is about 420.7229385781.

The spelling of 74471238 in words is "seventy-four million, four hundred seventy-one thousand, two hundred thirty-eight".