683640575 has 6 divisors (see below), whose sum is σ = 847714344. Its totient is φ = 546912440.

The previous prime is 683640541. The next prime is 683640583. The reversal of 683640575 is 575046386.

It is not a de Polignac number, because 683640575 - 2¹⁸ = 683378431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13672787 + ... + 13672836.

It is an arithmetic number, because the mean of its divisors is an integer number (141285724).

Almost surely, 2^683640575 is an apocalyptic number.

683640575 is a deficient number, since it is larger than the sum of its proper divisors (164073769).

683640575 is a wasteful number, since it uses less digits than its factorization.

683640575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345633 (or 27345628 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 683640575 is about 26146.5212791300. The cubic root of 683640575 is about 880.9324547106.

The spelling of 683640575 in words is "six hundred eighty-three million, six hundred forty thousand, five hundred seventy-five".