701442021 has 8 divisors (see below), whose sum is σ = 1068864064. Its totient is φ = 400824000.

The previous prime is 701442011. The next prime is 701442029. The reversal of 701442021 is 120244107.

It is a happy number.

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

It is not a de Polignac number, because 701442021 - 2⁹ = 701441509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 33402001 = 701442021 / (7 + 0 + 1 + 4 + 4 + 2 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701442029) 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, 16700980 + ... + 16701021.

It is an arithmetic number, because the mean of its divisors is an integer number (133608008).

Almost surely, 2^701442021 is an apocalyptic number.

It is an amenable number.

701442021 is a deficient number, since it is larger than the sum of its proper divisors (367422043).

701442021 is a wasteful number, since it uses less digits than its factorization.

701442021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33402011.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 701442021 is about 26484.7507256534. The cubic root of 701442021 is about 888.5132865125.

Adding to 701442021 its reverse (120244107), we get a palindrome (821686128).

The spelling of 701442021 in words is "seven hundred one million, four hundred forty-two thousand, twenty-one".