747152 has 30 divisors (see below), whose sum is σ = 1685718. Its totient is φ = 319872.

The previous prime is 747139. The next prime is 747157. The reversal of 747152 is 251747.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 132496 = 784^2 + 364^2 .

It is a super-2 number, since 2×747152² = 1116472222208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 747152.

It is not an unprimeable number, because it can be changed into a prime (747157) 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, 308 + ... + 1260.

2⁷⁴⁷¹⁵² 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 747152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842859).

747152 is an abundant number, since it is smaller than the sum of its proper divisors (938566).

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

747152 is a wasteful number, since it uses less digits than its factorization.

747152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 962 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 747152 is about 864.3795462643. The cubic root of 747152 is about 90.7408802215.

Adding to 747152 its reverse (251747), we get a palindrome (998899).

The spelling of 747152 in words is "seven hundred forty-seven thousand, one hundred fifty-two".