707428340 has 12 divisors (see below), whose sum is σ = 1485599556. Its totient is φ = 282971328.

The previous prime is 707428321. The next prime is 707428343. The reversal of 707428340 is 43824707.

It can be written as a sum of positive squares in 2 ways, for example, as 127870864 + 579557476 = 11308^2 + 24074^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 707428340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707428343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17685689 + ... + 17685728.

It is an arithmetic number, because the mean of its divisors is an integer number (123799963).

Almost surely, 2^707428340 is an apocalyptic number.

It is an amenable number.

707428340 is an abundant number, since it is smaller than the sum of its proper divisors (778171216).

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

707428340 is a wasteful number, since it uses less digits than its factorization.

707428340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35371426 (or 35371424 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 707428340 is about 26597.5250728334. The cubic root of 707428340 is about 891.0337439139.

The spelling of 707428340 in words is "seven hundred seven million, four hundred twenty-eight thousand, three hundred forty".