747161748 has 36 divisors (see below), whose sum is σ = 1889506528. Its totient is φ = 248942160.

The previous prime is 747161743. The next prime is 747161759. The reversal of 747161748 is 847161747.

747161748 is a `hidden beast` number, since 7 + 471 + 6 + 174 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747161743) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 130065 + ... + 135687.

Almost surely, 2^747161748 is an apocalyptic number.

It is an amenable number.

747161748 is an abundant number, since it is smaller than the sum of its proper divisors (1142344780).

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

747161748 is a wasteful number, since it uses less digits than its factorization.

747161748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9319 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 747161748 is about 27334.2596021915. The cubic root of 747161748 is about 907.4127484815.

Subtracting 747161748 from its reverse (847161747), we obtain a palindrome (99999999).

The spelling of 747161748 in words is "seven hundred forty-seven million, one hundred sixty-one thousand, seven hundred forty-eight".