756449012 has 12 divisors (see below), whose sum is σ = 1444130016. Its totient is φ = 343840440.

The previous prime is 756449009. The next prime is 756449027. The reversal of 756449012 is 210944657.

It is a super-2 number, since 2×756449012² = 1144430215511552288, which contains 22 as substring.

It is a congruent number.

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, 8595968 + ... + 8596055.

It is an arithmetic number, because the mean of its divisors is an integer number (120344168).

Almost surely, 2^756449012 is an apocalyptic number.

It is an amenable number.

756449012 is a deficient number, since it is larger than the sum of its proper divisors (687681004).

756449012 is a wasteful number, since it uses less digits than its factorization.

756449012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192038 (or 17192036 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 756449012 is about 27503.6181619801. The cubic root of 756449012 is about 911.1570083672.

The spelling of 756449012 in words is "seven hundred fifty-six million, four hundred forty-nine thousand, twelve".