699274960 has 80 divisors (see below), whose sum is σ = 1654929792. Its totient is φ = 274752000.

The previous prime is 699274949. The next prime is 699274969. The reversal of 699274960 is 69472996.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 699274898 and 699274907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699274969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292290 + ... + 1292830.

Almost surely, 2^699274960 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 699274960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827464896).

699274960 is an abundant number, since it is smaller than the sum of its proper divisors (955654832).

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

699274960 is a wasteful number, since it uses less digits than its factorization.

699274960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 699274960 is about 26443.8075927050. The cubic root of 699274960 is about 887.5973406425.

The spelling of 699274960 in words is "six hundred ninety-nine million, two hundred seventy-four thousand, nine hundred sixty".