747797628 has 12 divisors (see below), whose sum is σ = 1744861160. Its totient is φ = 249265872.

The previous prime is 747797627. The next prime is 747797629. The reversal of 747797628 is 826797747.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (747797627) and next prime (747797629).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747797627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31158223 + ... + 31158246.

Almost surely, 2^747797628 is an apocalyptic number.

It is an amenable number.

747797628 is an abundant number, since it is smaller than the sum of its proper divisors (997063532).

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

747797628 is a wasteful number, since it uses less digits than its factorization.

747797628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62316476 (or 62316474 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 57.

The square root of 747797628 is about 27345.8886855044. Note that the first 3 decimals coincide. The cubic root of 747797628 is about 907.6700965985.

The spelling of 747797628 in words is "seven hundred forty-seven million, seven hundred ninety-seven thousand, six hundred twenty-eight".