683926740 has 240 divisors, whose sum is σ = 2513516544. Its totient is φ = 152409600.

The previous prime is 683926669. The next prime is 683926757. The reversal of 683926740 is 47629386.

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 79 ways as a sum of consecutive naturals, for example, 464205 + ... + 465675.

Almost surely, 2^683926740 is an apocalyptic number.

683926740 is a gapful number since it is divisible by the number (60) 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 683926740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256758272).

683926740 is an abundant number, since it is smaller than the sum of its proper divisors (1829589804).

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

683926740 is a wasteful number, since it uses less digits than its factorization.

683926740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 683926740 is about 26151.9930406843. The cubic root of 683926740 is about 881.0553540230.

The spelling of 683926740 in words is "six hundred eighty-three million, nine hundred twenty-six thousand, seven hundred forty".