74481412 has 6 divisors (see below), whose sum is σ = 130342478. Its totient is φ = 37240704.

The previous prime is 74481409. The next prime is 74481419. The reversal of 74481412 is 21418447.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 22410756 = 7216^2 + 4734^2 .

It is not an unprimeable number, because it can be changed into a prime (74481419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9310173 + ... + 9310180.

Almost surely, 2^74481412 is an apocalyptic number.

It is an amenable number.

74481412 is a deficient number, since it is larger than the sum of its proper divisors (55861066).

74481412 is a wasteful number, since it uses less digits than its factorization.

74481412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18620357 (or 18620355 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 74481412 is about 8630.2614097141. The cubic root of 74481412 is about 420.7420969377.

Adding to 74481412 its reverse (21418447), we get a palindrome (95899859).

The spelling of 74481412 in words is "seventy-four million, four hundred eighty-one thousand, four hundred twelve".