679671542 has 16 divisors (see below), whose sum is σ = 1117054800. Its totient is φ = 307590240.

The previous prime is 679671527. The next prime is 679671547. The reversal of 679671542 is 245176976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679671547) 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, 62417 + ... + 72492.

It is an arithmetic number, because the mean of its divisors is an integer number (69815925).

Almost surely, 2^679671542 is an apocalyptic number.

679671542 is a deficient number, since it is larger than the sum of its proper divisors (437383258).

679671542 is a wasteful number, since it uses less digits than its factorization.

679671542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135151.

The product of its digits is 635040, while the sum is 47.

The square root of 679671542 is about 26070.5109654567. The cubic root of 679671542 is about 879.2243259544.

The spelling of 679671542 in words is "six hundred seventy-nine million, six hundred seventy-one thousand, five hundred forty-two".