747138 has 16 divisors (see below), whose sum is σ = 1707840. Its totient is φ = 213456.

The previous prime is 747113. The next prime is 747139. The reversal of 747138 is 831747.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (747139) by changing a digit.

747138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8853 + ... + 8936.

It is an arithmetic number, because the mean of its divisors is an integer number (106740).

2⁷⁴⁷¹³⁸ is an apocalyptic number.

747138 is an abundant number, since it is smaller than the sum of its proper divisors (960702).

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

747138 is a wasteful number, since it uses less digits than its factorization.

747138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17801.

The product of its digits is 4704, while the sum is 30.

The square root of 747138 is about 864.3714479320. The cubic root of 747138 is about 90.7403134559.

The spelling of 747138 in words is "seven hundred forty-seven thousand, one hundred thirty-eight".