747626748 has 96 divisors (see below), whose sum is σ = 2023273728. Its totient is φ = 212352000.

The previous prime is 747626743. The next prime is 747626777. The reversal of 747626748 is 847626747.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 747626748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747626741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710823 + ... + 711873.

It is an arithmetic number, because the mean of its divisors is an integer number (21075768).

Almost surely, 2^747626748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747626748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011636864).

747626748 is an abundant number, since it is smaller than the sum of its proper divisors (1275646980).

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

747626748 is a wasteful number, since it uses less digits than its factorization.

747626748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1401 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 51.

The square root of 747626748 is about 27342.7640885116. The cubic root of 747626748 is about 907.6009537912.

Subtracting 747626748 from its reverse (847626747), we obtain a palindrome (99999999).

The spelling of 747626748 in words is "seven hundred forty-seven million, six hundred twenty-six thousand, seven hundred forty-eight".