670524733 has 4 divisors (see below), whose sum is σ = 673017660. Its totient is φ = 668031808.

The previous prime is 670524721. The next prime is 670524737. The reversal of 670524733 is 337425076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40615129 + 629909604 = 6373^2 + 25098^2 .

It is a cyclic number.

It is not a de Polignac number, because 670524733 - 2¹³ = 670516541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670524692 and 670524701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670524737) 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, 1246060 + ... + 1246597.

It is an arithmetic number, because the mean of its divisors is an integer number (168254415).

Almost surely, 2^670524733 is an apocalyptic number.

It is an amenable number.

670524733 is a deficient number, since it is larger than the sum of its proper divisors (2492927).

670524733 is a wasteful number, since it uses less digits than its factorization.

670524733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492926.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 670524733 is about 25894.4923294511. The cubic root of 670524733 is about 875.2623900972.

The spelling of 670524733 in words is "six hundred seventy million, five hundred twenty-four thousand, seven hundred thirty-three".