74200712 has 16 divisors (see below), whose sum is σ = 140014860. Its totient is φ = 36863424.

The previous prime is 74200703. The next prime is 74200723. The reversal of 74200712 is 21700247.

It can be written as a sum of positive squares in 2 ways, for example, as 68790436 + 5410276 = 8294^2 + 2326^2 .

It is a super-2 number, since 2×74200712² = 11011491322613888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28283 + ... + 30794.

Almost surely, 2^74200712 is an apocalyptic number.

It is an amenable number.

74200712 is a deficient number, since it is larger than the sum of its proper divisors (65814148).

74200712 is a wasteful number, since it uses less digits than its factorization.

74200712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59240 (or 59236 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 74200712 is about 8613.9835151920. The cubic root of 74200712 is about 420.2128777230.

Adding to 74200712 its reverse (21700247), we get a palindrome (95900959).

The spelling of 74200712 in words is "seventy-four million, two hundred thousand, seven hundred twelve".