670337247 has 8 divisors (see below), whose sum is σ = 901983280. Its totient is φ = 442791360.

The previous prime is 670337243. The next prime is 670337321. The reversal of 670337247 is 742733076.

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

It is not a de Polignac number, because 670337247 - 2² = 670337243 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 (670337243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024654 + ... + 1025307.

It is an arithmetic number, because the mean of its divisors is an integer number (112747910).

Almost surely, 2^670337247 is an apocalyptic number.

670337247 is a deficient number, since it is larger than the sum of its proper divisors (231646033).

670337247 is a wasteful number, since it uses less digits than its factorization.

670337247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050073.

The product of its (nonzero) digits is 148176, while the sum is 39.

The square root of 670337247 is about 25890.8718856666. The cubic root of 670337247 is about 875.1808048683.

The spelling of 670337247 in words is "six hundred seventy million, three hundred thirty-seven thousand, two hundred forty-seven".