747479 has 4 divisors (see below), whose sum is σ = 786840. Its totient is φ = 708120.

The previous prime is 747463. The next prime is 747493. The reversal of 747479 is 974747.

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 747479 - 2⁴ = 747463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747449) 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, 19652 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (196710).

2⁷⁴⁷⁴⁷⁹ is an apocalyptic number.

747479 is a deficient number, since it is larger than the sum of its proper divisors (39361).

747479 is a wasteful number, since it uses less digits than its factorization.

747479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39360.

The product of its digits is 49392, while the sum is 38.

The square root of 747479 is about 864.5686785907. The cubic root of 747479 is about 90.7541162342.

The spelling of 747479 in words is "seven hundred forty-seven thousand, four hundred seventy-nine".