670733733 has 4 divisors (see below), whose sum is σ = 894311648. Its totient is φ = 447155820.

The previous prime is 670733731. The next prime is 670733741. The reversal of 670733733 is 337337076.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 670733733 - 2¹ = 670733731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670733691 and 670733700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670733731) 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, 111788953 + ... + 111788958.

It is an arithmetic number, because the mean of its divisors is an integer number (223577912).

Almost surely, 2^670733733 is an apocalyptic number.

It is an amenable number.

670733733 is a deficient number, since it is larger than the sum of its proper divisors (223577915).

670733733 is a wasteful number, since it uses less digits than its factorization.

670733733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223577914.

The product of its (nonzero) digits is 166698, while the sum is 39.

The square root of 670733733 is about 25898.5276222414. The cubic root of 670733733 is about 875.3533192992.

The spelling of 670733733 in words is "six hundred seventy million, seven hundred thirty-three thousand, seven hundred thirty-three".