74615012 has 6 divisors (see below), whose sum is σ = 130576278. Its totient is φ = 37307504.

The previous prime is 74614997. The next prime is 74615027. The reversal of 74615012 is 21051647.

It is an interprime number because it is at equal distance from previous prime (74614997) and next prime (74615027).

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 34975396 = 6296^2 + 5914^2 .

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 as a sum of consecutive naturals, namely, 9326873 + ... + 9326880.

It is an arithmetic number, because the mean of its divisors is an integer number (21762713).

Almost surely, 2^74615012 is an apocalyptic number.

It is an amenable number.

74615012 is a deficient number, since it is larger than the sum of its proper divisors (55961266).

74615012 is a wasteful number, since it uses less digits than its factorization.

74615012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18653757 (or 18653755 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 74615012 is about 8637.9981477192. The cubic root of 74615012 is about 420.9935134400.

Adding to 74615012 its reverse (21051647), we get a palindrome (95666659).

The spelling of 74615012 in words is "seventy-four million, six hundred fifteen thousand, twelve".