682749270 has 256 divisors, whose sum is σ = 2205941760. Its totient is φ = 146966400.

The previous prime is 682749259. The next prime is 682749281. The reversal of 682749270 is 72947286.

It is an interprime number because it is at equal distance from previous prime (682749259) and next prime (682749281).

It is a super-2 number, since 2×682749270² = 932293131371065800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2519235 + ... + 2519505.

It is an arithmetic number, because the mean of its divisors is an integer number (8616960).

Almost surely, 2^682749270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682749270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102970880).

682749270 is an abundant number, since it is smaller than the sum of its proper divisors (1523192490).

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

682749270 is a wasteful number, since it uses less digits than its factorization.

682749270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 682749270 is about 26129.4712920105. The cubic root of 682749270 is about 880.5494459548.

The spelling of 682749270 in words is "six hundred eighty-two million, seven hundred forty-nine thousand, two hundred seventy".