702242040 has 128 divisors (see below), whose sum is σ = 2177280000. Its totient is φ = 181091328.

The previous prime is 702241999. The next prime is 702242041. The reversal of 702242040 is 40242207.

It is a junction number, because it is equal to n+sod(n) for n = 702241998 and 702242016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702242041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501261 + ... + 502659.

It is an arithmetic number, because the mean of its divisors is an integer number (17010000).

Almost surely, 2^702242040 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 702242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088640000).

702242040 is an abundant number, since it is smaller than the sum of its proper divisors (1475037960).

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

702242040 is a wasteful number, since it uses less digits than its factorization.

702242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 702242040 is about 26499.8498108952. The cubic root of 702242040 is about 888.8509515985.

Adding to 702242040 its reverse (40242207), we get a palindrome (742484247).

The spelling of 702242040 in words is "seven hundred two million, two hundred forty-two thousand, forty".