747813242 has 8 divisors (see below), whose sum is σ = 1223694432. Its totient is φ = 339915100.

The previous prime is 747813239. The next prime is 747813247. The reversal of 747813242 is 242318747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 747813196 and 747813205.

It is not an unprimeable number, because it can be changed into a prime (747813247) 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, 16995734 + ... + 16995777.

It is an arithmetic number, because the mean of its divisors is an integer number (152961804).

Almost surely, 2^747813242 is an apocalyptic number.

747813242 is a deficient number, since it is larger than the sum of its proper divisors (475881190).

747813242 is a wasteful number, since it uses less digits than its factorization.

747813242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33991524.

The product of its digits is 75264, while the sum is 38.

The square root of 747813242 is about 27346.1741748275. The cubic root of 747813242 is about 907.6764139325.

The spelling of 747813242 in words is "seven hundred forty-seven million, eight hundred thirteen thousand, two hundred forty-two".