74552312 has 8 divisors (see below), whose sum is σ = 139785600. Its totient is φ = 37276152.

The previous prime is 74552287. The next prime is 74552321. The reversal of 74552312 is 21325547.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4659512 + ... + 4659527.

It is an arithmetic number, because the mean of its divisors is an integer number (17473200).

Almost surely, 2^74552312 is an apocalyptic number.

It is an amenable number.

74552312 is a deficient number, since it is larger than the sum of its proper divisors (65233288).

74552312 is a wasteful number, since it uses less digits than its factorization.

74552312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319045 (or 9319041 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 74552312 is about 8634.3680718394. The cubic root of 74552312 is about 420.8755582200.

Adding to 74552312 its reverse (21325547), we get a palindrome (95877859).

The spelling of 74552312 in words is "seventy-four million, five hundred fifty-two thousand, three hundred twelve".