699276544 has 72 divisors (see below), whose sum is σ = 1470796992. Its totient is φ = 331161600.

The previous prime is 699276511. The next prime is 699276569. The reversal of 699276544 is 445672996.

It is a junction number, because it is equal to n+sod(n) for n = 699276491 and 699276500.

It is a congruent number.

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, 664819 + ... + 665869.

It is an arithmetic number, because the mean of its divisors is an integer number (20427736).

Almost surely, 2^699276544 is an apocalyptic number.

699276544 is a gapful number since it is divisible by the number (64) 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 699276544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735398496).

699276544 is an abundant number, since it is smaller than the sum of its proper divisors (771520448).

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

699276544 is a wasteful number, since it uses less digits than its factorization.

699276544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1189 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 699276544 is about 26443.8375429891. The cubic root of 699276544 is about 887.5980108382.

The spelling of 699276544 in words is "six hundred ninety-nine million, two hundred seventy-six thousand, five hundred forty-four".