670471583 has 4 divisors (see below), whose sum is σ = 670891968. Its totient is φ = 670051200.

The previous prime is 670471553. The next prime is 670471589. The reversal of 670471583 is 385174076.

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 670471583 - 2²⁴ = 653694367 is a prime.

It is a super-2 number, since 2×670471583² = 899064287221051778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670471583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670471589) 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, 207791 + ... + 210992.

It is an arithmetic number, because the mean of its divisors is an integer number (167722992).

Almost surely, 2^670471583 is an apocalyptic number.

670471583 is a deficient number, since it is larger than the sum of its proper divisors (420385).

670471583 is a wasteful number, since it uses less digits than its factorization.

670471583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420384.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 670471583 is about 25893.4660290970. The cubic root of 670471583 is about 875.2392632221.

It can be divided in two parts, 6704 and 71583, that added together give a palindrome (78287).

The spelling of 670471583 in words is "six hundred seventy million, four hundred seventy-one thousand, five hundred eighty-three".