536670021 has 8 divisors (see below), whose sum is σ = 715670784. Its totient is φ = 357724640.

The previous prime is 536670019. The next prime is 536670023. The reversal of 536670021 is 120076635.

It is an interprime number because it is at equal distance from previous prime (536670019) and next prime (536670023).

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

It is a cyclic number.

It is not a de Polignac number, because 536670021 - 2¹ = 536670019 is a prime.

It is a super-2 number, since 2×536670021² = 576029422880280882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536670023) 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, 22105 + ... + 39521.

It is an arithmetic number, because the mean of its divisors is an integer number (89458848).

Almost surely, 2^536670021 is an apocalyptic number.

It is an amenable number.

536670021 is a deficient number, since it is larger than the sum of its proper divisors (179000763).

536670021 is a wasteful number, since it uses less digits than its factorization.

536670021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27691.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 536670021 is about 23166.1395359693. The cubic root of 536670021 is about 812.6479521024.

The spelling of 536670021 in words is "five hundred thirty-six million, six hundred seventy thousand, twenty-one".