705035421 has 40 divisors (see below), whose sum is σ = 1073318400. Its totient is φ = 461129760.

The previous prime is 705035389. The next prime is 705035437. The reversal of 705035421 is 124530507.

It is a happy number.

705035421 is a `hidden beast` number, since 70 + 50 + 3 + 542 + 1 = 666.

It is not a de Polignac number, because 705035421 - 2⁵ = 705035389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705035021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1529131 + ... + 1529591.

It is an arithmetic number, because the mean of its divisors is an integer number (26832960).

Almost surely, 2^705035421 is an apocalyptic number.

It is an amenable number.

705035421 is a deficient number, since it is larger than the sum of its proper divisors (368282979).

705035421 is a wasteful number, since it uses less digits than its factorization.

705035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 705035421 is about 26552.5031023442. The cubic root of 705035421 is about 890.0279505593.

Adding to 705035421 its reverse (124530507), we get a palindrome (829565928).

The spelling of 705035421 in words is "seven hundred five million, thirty-five thousand, four hundred twenty-one".