680074237 has 4 divisors (see below), whose sum is σ = 680205600. Its totient is φ = 679942876.

The previous prime is 680074183. The next prime is 680074247. The reversal of 680074237 is 732470086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680074237 - 2¹⁵ = 680041469 is a prime.

It is a super-2 number, since 2×680074237² = 925001935662264338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680074196 and 680074205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680074247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57583 + ... + 68380.

It is an arithmetic number, because the mean of its divisors is an integer number (170051400).

Almost surely, 2^680074237 is an apocalyptic number.

It is an amenable number.

680074237 is a deficient number, since it is larger than the sum of its proper divisors (131363).

680074237 is a wasteful number, since it uses less digits than its factorization.

680074237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131362.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 680074237 is about 26078.2330114600. The cubic root of 680074237 is about 879.3979339970.

The spelling of 680074237 in words is "six hundred eighty million, seventy-four thousand, two hundred thirty-seven".