679000245 has 64 divisors (see below), whose sum is σ = 1425807360. Its totient is φ = 267321600.

The previous prime is 679000241. The next prime is 679000249. The reversal of 679000245 is 542000976.

679000245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (679000241) and next prime (679000249).

It is not a de Polignac number, because 679000245 - 2² = 679000241 is a prime.

It is a super-2 number, since 2×679000245² = 922082665420120050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679000241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6475 + ... + 37415.

It is an arithmetic number, because the mean of its divisors is an integer number (22278240).

Almost surely, 2^679000245 is an apocalyptic number.

It is an amenable number.

679000245 is an abundant number, since it is smaller than the sum of its proper divisors (746807115).

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

679000245 is a wasteful number, since it uses less digits than its factorization.

679000245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30986.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 679000245 is about 26057.6331427089. The cubic root of 679000245 is about 878.9347669353.

Adding to 679000245 its reverse (542000976), we get a palindrome (1221001221).

The spelling of 679000245 in words is "six hundred seventy-nine million, two hundred forty-five", and thus it is an aban number.