747952539 has 4 divisors (see below), whose sum is σ = 997270056. Its totient is φ = 498635024.

The previous prime is 747952523. The next prime is 747952609. The reversal of 747952539 is 935259747.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 747952539 - 2⁴ = 747952523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747952491 and 747952500.

It is not an unprimeable number, because it can be changed into a prime (747952039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124658754 + ... + 124658759.

It is an arithmetic number, because the mean of its divisors is an integer number (249317514).

Almost surely, 2^747952539 is an apocalyptic number.

747952539 is a deficient number, since it is larger than the sum of its proper divisors (249317517).

747952539 is a wasteful number, since it uses less digits than its factorization.

747952539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249317516.

The product of its digits is 2381400, while the sum is 51.

The square root of 747952539 is about 27348.7209755776. The cubic root of 747952539 is about 907.7327688015.

The spelling of 747952539 in words is "seven hundred forty-seven million, nine hundred fifty-two thousand, five hundred thirty-nine".