701643 has 4 divisors (see below), whose sum is σ = 935528. Its totient is φ = 467760.

The previous prime is 701629. The next prime is 701653. The reversal of 701643 is 346107.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 701643 - 2⁴ = 701627 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (701653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116938 + ... + 116943.

It is an arithmetic number, because the mean of its divisors is an integer number (233882).

2⁷⁰¹⁶⁴³ is an apocalyptic number.

701643 is a deficient number, since it is larger than the sum of its proper divisors (233885).

701643 is a wasteful number, since it uses less digits than its factorization.

701643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233884.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 701643 is about 837.6413313585. The cubic root of 701643 is about 88.8598138125.

The spelling of 701643 in words is "seven hundred one thousand, six hundred forty-three".