747438748 has 18 divisors (see below), whose sum is σ = 1521572136. Its totient is φ = 320330808.

The previous prime is 747438719. The next prime is 747438749. The reversal of 747438748 is 847834747.

It is a junction number, because it is equal to n+sod(n) for n = 747438695 and 747438704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747438749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1906536 + ... + 1906927.

Almost surely, 2^747438748 is an apocalyptic number.

It is an amenable number.

747438748 is an abundant number, since it is smaller than the sum of its proper divisors (774133388).

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

747438748 is a wasteful number, since it uses less digits than its factorization.

747438748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813481 (or 3813472 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 52.

The square root of 747438748 is about 27339.3260341216. The cubic root of 747438748 is about 907.5248715822.

The spelling of 747438748 in words is "seven hundred forty-seven million, four hundred thirty-eight thousand, seven hundred forty-eight".