74420132 has 12 divisors (see below), whose sum is σ = 130653516. Its totient is φ = 37090560.

The previous prime is 74420117. The next prime is 74420147. The reversal of 74420132 is 23102447.

It is an interprime number because it is at equal distance from previous prime (74420117) and next prime (74420147).

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 71808676 = 1616^2 + 8474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74420098 and 74420107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28469 + ... + 30972.

It is an arithmetic number, because the mean of its divisors is an integer number (10887793).

Almost surely, 2^74420132 is an apocalyptic number.

It is an amenable number.

74420132 is a deficient number, since it is larger than the sum of its proper divisors (56233384).

74420132 is a wasteful number, since it uses less digits than its factorization.

74420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59758 (or 59756 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 74420132 is about 8626.7103811360. The cubic root of 74420132 is about 420.6266759698.

Adding to 74420132 its reverse (23102447), we get a palindrome (97522579).

The spelling of 74420132 in words is "seventy-four million, four hundred twenty thousand, one hundred thirty-two".