676561542 has 8 divisors (see below), whose sum is σ = 1353123096. Its totient is φ = 225520512.

The previous prime is 676561499. The next prime is 676561547. The reversal of 676561542 is 245165676.

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

676561542 is an admirable number.

It is a super-2 number, since 2×676561542² = 915471040226835528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 676561494 and 676561503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676561547) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56380123 + ... + 56380134.

It is an arithmetic number, because the mean of its divisors is an integer number (169140387).

Almost surely, 2^676561542 is an apocalyptic number.

676561542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

676561542 is a wasteful number, since it uses less digits than its factorization.

676561542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112760262.

The product of its digits is 302400, while the sum is 42.

The square root of 676561542 is about 26010.7966429327. The cubic root of 676561542 is about 877.8812414721.

The spelling of 676561542 in words is "six hundred seventy-six million, five hundred sixty-one thousand, five hundred forty-two".