680950537 has 8 divisors (see below), whose sum is σ = 720815040. Its totient is φ = 642178320.

The previous prime is 680950499. The next prime is 680950559. The reversal of 680950537 is 735059086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680950537 - 2⁷ = 680950409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 680950493 and 680950502.

It is not an unprimeable number, because it can be changed into a prime (680950597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271789 + ... + 274282.

It is an arithmetic number, because the mean of its divisors is an integer number (90101880).

Almost surely, 2^680950537 is an apocalyptic number.

It is an amenable number.

680950537 is a deficient number, since it is larger than the sum of its proper divisors (39864503).

680950537 is a wasteful number, since it uses less digits than its factorization.

680950537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546143.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 680950537 is about 26095.0289710512. The cubic root of 680950537 is about 879.7754837876.

The spelling of 680950537 in words is "six hundred eighty million, nine hundred fifty thousand, five hundred thirty-seven".