747485 has 4 divisors (see below), whose sum is σ = 896988. Its totient is φ = 597984.

The previous prime is 747463. The next prime is 747493. The reversal of 747485 is 584747.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584747 = 277 ⋅2111.

It can be written as a sum of positive squares in 2 ways, for example, as 190969 + 556516 = 437^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 747485 - 2⁶ = 747421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74744 + ... + 74753.

It is an arithmetic number, because the mean of its divisors is an integer number (224247).

2⁷⁴⁷⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

747485 is a deficient number, since it is larger than the sum of its proper divisors (149503).

747485 is a wasteful number, since it uses less digits than its factorization.

747485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149502.

The product of its digits is 31360, while the sum is 35.

The square root of 747485 is about 864.5721485220. The cubic root of 747485 is about 90.7543590608.

The spelling of 747485 in words is "seven hundred forty-seven thousand, four hundred eighty-five".