764224012 has 6 divisors (see below), whose sum is σ = 1337392028. Its totient is φ = 382112004.

The previous prime is 764224007. The next prime is 764224057. The reversal of 764224012 is 210422467.

It is a happy number.

It is a super-2 number, since 2×764224012² = 1168076681034752288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95527998 + ... + 95528005.

Almost surely, 2^764224012 is an apocalyptic number.

It is an amenable number.

764224012 is a deficient number, since it is larger than the sum of its proper divisors (573168016).

764224012 is a wasteful number, since it uses less digits than its factorization.

764224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191056007 (or 191056005 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 764224012 is about 27644.6018600377. The cubic root of 764224012 is about 914.2680848024.

Adding to 764224012 its reverse (210422467), we get a palindrome (974646479).

The spelling of 764224012 in words is "seven hundred sixty-four million, two hundred twenty-four thousand, twelve".