747065820 has 24 divisors (see below), whose sum is σ = 2091784464. Its totient is φ = 199217536.

The previous prime is 747065777. The next prime is 747065821. The reversal of 747065820 is 28560747.

747065820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747065821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225489 + ... + 6225608.

It is an arithmetic number, because the mean of its divisors is an integer number (87157686).

Almost surely, 2^747065820 is an apocalyptic number.

It is an amenable number.

747065820 is an abundant number, since it is smaller than the sum of its proper divisors (1344718644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747065820 is a wasteful number, since it uses less digits than its factorization.

747065820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451109 (or 12451107 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 747065820 is about 27332.5048248418. The cubic root of 747065820 is about 907.3739126176.

The spelling of 747065820 in words is "seven hundred forty-seven million, sixty-five thousand, eight hundred twenty".