702445420 has 96 divisors (see below), whose sum is σ = 1562254848. Its totient is φ = 265047552.

The previous prime is 702445397. The next prime is 702445427. The reversal of 702445420 is 24544207.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (702445427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4206177 + ... + 4206343.

It is an arithmetic number, because the mean of its divisors is an integer number (16273488).

Almost surely, 2^702445420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 702445420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781127424).

702445420 is an abundant number, since it is smaller than the sum of its proper divisors (859809428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

702445420 is a wasteful number, since it uses less digits than its factorization.

702445420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 702445420 is about 26503.6869133334. The cubic root of 702445420 is about 888.9367515779.

Adding to 702445420 its reverse (24544207), we get a palindrome (726989627).

The spelling of 702445420 in words is "seven hundred two million, four hundred forty-five thousand, four hundred twenty".