698887072 has 48 divisors (see below), whose sum is σ = 1495466280. Its totient is φ = 319583232.

The previous prime is 698887003. The next prime is 698887087. The reversal of 698887072 is 270788896.

It can be written as a sum of positive squares in 4 ways, for example, as 645363216 + 53523856 = 25404^2 + 7316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37638 + ... + 53050.

Almost surely, 2^698887072 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 698887072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747733140).

698887072 is an abundant number, since it is smaller than the sum of its proper divisors (796579208).

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

698887072 is a wasteful number, since it uses less digits than its factorization.

698887072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15545 (or 15537 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The square root of 698887072 is about 26436.4723819196. The cubic root of 698887072 is about 887.4331934636.

The spelling of 698887072 in words is "six hundred ninety-eight million, eight hundred eighty-seven thousand, seventy-two".