702145920 has 256 divisors, whose sum is σ = 2590963200. Its totient is φ = 158416896.

The previous prime is 702145907. The next prime is 702145943. The reversal of 702145920 is 29541207.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1195867 + ... + 1196453.

It is an arithmetic number, because the mean of its divisors is an integer number (10120950).

Almost surely, 2^702145920 is an apocalyptic number.

702145920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 702145920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295481600).

702145920 is an abundant number, since it is smaller than the sum of its proper divisors (1888817280).

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

702145920 is a wasteful number, since it uses less digits than its factorization.

702145920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 702145920 is about 26498.0361536473. The cubic root of 702145920 is about 888.8103956615.

The spelling of 702145920 in words is "seven hundred two million, one hundred forty-five thousand, nine hundred twenty".