702066021 has 8 divisors (see below), whose sum is σ = 966284544. Its totient is φ = 452945760.

The previous prime is 702066011. The next prime is 702066023. The reversal of 702066021 is 120660207.

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 702066021 - 2¹⁵ = 702033253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 702065982 and 702066000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702066023) 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, 3774456 + ... + 3774641.

It is an arithmetic number, because the mean of its divisors is an integer number (120785568).

Almost surely, 2^702066021 is an apocalyptic number.

It is an amenable number.

702066021 is a deficient number, since it is larger than the sum of its proper divisors (264218523).

702066021 is a wasteful number, since it uses less digits than its factorization.

702066021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7549131.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 702066021 is about 26496.5284707261. The cubic root of 702066021 is about 888.7766810381.

The spelling of 702066021 in words is "seven hundred two million, sixty-six thousand, twenty-one".