7206398812 has 24 divisors (see below), whose sum is σ = 13285918800. Its totient is φ = 3410735616.

The previous prime is 7206398803. The next prime is 7206398851. The reversal of 7206398812 is 2188936027.

It is a super-2 number, since 2×7206398812² (a number of 21 digits) 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 7 ways as a sum of consecutive naturals, for example, 54828 + ... + 131980.

It is an arithmetic number, because the mean of its divisors is an integer number (553579950).

Almost surely, 2^7206398812 is an apocalyptic number.

It is an amenable number.

7206398812 is a deficient number, since it is larger than the sum of its proper divisors (6079519988).

7206398812 is a wasteful number, since it uses less digits than its factorization.

7206398812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78405 (or 78403 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 7206398812 is about 84890.5107299986. The cubic root of 7206398812 is about 1931.5506354880.

The spelling of 7206398812 in words is "seven billion, two hundred six million, three hundred ninety-eight thousand, eight hundred twelve".