679952450 has 48 divisors (see below), whose sum is σ = 1362341376. Its totient is φ = 251750400.

The previous prime is 679952437. The next prime is 679952459. The reversal of 679952450 is 54259976.

It is a super-2 number, since 2×679952450² = 924670668522005000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 679952395 and 679952404.

It is not an unprimeable number, because it can be changed into a prime (679952459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26114 + ... + 45186.

It is an arithmetic number, because the mean of its divisors is an integer number (28382112).

Almost surely, 2^679952450 is an apocalyptic number.

679952450 is an abundant number, since it is smaller than the sum of its proper divisors (682388926).

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

679952450 is a wasteful number, since it uses less digits than its factorization.

679952450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139 (or 19134 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 679952450 is about 26075.8978752410. The cubic root of 679952450 is about 879.3454369685.

The spelling of 679952450 in words is "six hundred seventy-nine million, nine hundred fifty-two thousand, four hundred fifty".