670553829 has 16 divisors (see below), whose sum is σ = 1083723840. Its totient is φ = 406396080.

The previous prime is 670553791. The next prime is 670553843. The reversal of 670553829 is 928355076.

It is a happy number.

670553829 is a `hidden beast` number, since 6 + 70 + 553 + 8 + 29 = 666.

It is not a de Polignac number, because 670553829 - 2²⁸ = 402118373 is a prime.

It is a super-2 number, since 2×670553829² = 899284875173122482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670553029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128582 + ... + 1129175.

It is an arithmetic number, because the mean of its divisors is an integer number (67732740).

Almost surely, 2^670553829 is an apocalyptic number.

It is an amenable number.

670553829 is a deficient number, since it is larger than the sum of its proper divisors (413170011).

670553829 is a wasteful number, since it uses less digits than its factorization.

670553829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257777 (or 2257771 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 670553829 is about 25895.0541416696. The cubic root of 670553829 is about 875.2750499663.

The spelling of 670553829 in words is "six hundred seventy million, five hundred fifty-three thousand, eight hundred twenty-nine".