747148032 has 108 divisors (see below), whose sum is σ = 2161897920. Its totient is φ = 248162304.

The previous prime is 747148009. The next prime is 747148033. The reversal of 747148032 is 230841747.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (747148033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1103278 + ... + 1103954.

Almost surely, 2^747148032 is an apocalyptic number.

747148032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747148032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080948960).

747148032 is an abundant number, since it is smaller than the sum of its proper divisors (1414749888).

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

747148032 is a wasteful number, since it uses less digits than its factorization.

747148032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 747148032 is about 27334.0087071033. The cubic root of 747148032 is about 907.4071958465.

Adding to 747148032 its reverse (230841747), we get a palindrome (977989779).

The spelling of 747148032 in words is "seven hundred forty-seven million, one hundred forty-eight thousand, thirty-two".