747528156 has 48 divisors (see below), whose sum is σ = 1949287200. Its totient is φ = 247729536.

The previous prime is 747528151. The next prime is 747528163. The reversal of 747528156 is 651825747.

747528156 is a `hidden beast` number, since 7 + 475 + 28 + 156 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747528151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 38688.

It is an arithmetic number, because the mean of its divisors is an integer number (40610150).

Almost surely, 2^747528156 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 747528156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974643600).

747528156 is an abundant number, since it is smaller than the sum of its proper divisors (1201759044).

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

747528156 is a wasteful number, since it uses less digits than its factorization.

747528156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40195 (or 40187 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 747528156 is about 27340.9611389212. The cubic root of 747528156 is about 907.5610559290.

The spelling of 747528156 in words is "seven hundred forty-seven million, five hundred twenty-eight thousand, one hundred fifty-six".