747790406 has 16 divisors (see below), whose sum is σ = 1233774288. Its totient is φ = 339903520.

The previous prime is 747790369. The next prime is 747790423. The reversal of 747790406 is 604097747.

It is a Curzon number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 137795 + ... + 143118.

It is an arithmetic number, because the mean of its divisors is an integer number (77110893).

Almost surely, 2^747790406 is an apocalyptic number.

747790406 is a deficient number, since it is larger than the sum of its proper divisors (485983882).

747790406 is a wasteful number, since it uses less digits than its factorization.

747790406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280948 (or 280926 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 747790406 is about 27345.7566360852. The cubic root of 747790406 is about 907.6671745893.

The spelling of 747790406 in words is "seven hundred forty-seven million, seven hundred ninety thousand, four hundred six".