679629492 has 36 divisors (see below), whose sum is σ = 1773373056. Its totient is φ = 219234960.

The previous prime is 679629473. The next prime is 679629521. The reversal of 679629492 is 294926976.

679629492 is a `hidden beast` number, since 6 + 7 + 9 + 629 + 4 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303378 + ... + 305609.

Almost surely, 2^679629492 is an apocalyptic number.

679629492 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

679629492 is an abundant number, since it is smaller than the sum of its proper divisors (1093743564).

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

679629492 is a wasteful number, since it uses less digits than its factorization.

679629492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609028 (or 609023 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 679629492 is about 26069.7044862423. The cubic root of 679629492 is about 879.2061935953.

The spelling of 679629492 in words is "six hundred seventy-nine million, six hundred twenty-nine thousand, four hundred ninety-two".