672561410 has 32 divisors (see below), whose sum is σ = 1245601152. Its totient is φ = 261360000.

The previous prime is 672561403. The next prime is 672561413. The reversal of 672561410 is 14165276.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (672561413) 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 15 ways as a sum of consecutive naturals, for example, 42035 + ... + 55785.

It is an arithmetic number, because the mean of its divisors is an integer number (38925036).

Almost surely, 2^672561410 is an apocalyptic number.

672561410 is a deficient number, since it is larger than the sum of its proper divisors (573039742).

672561410 is a wasteful number, since it uses less digits than its factorization.

672561410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13898.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 672561410 is about 25933.7889634353. The cubic root of 672561410 is about 876.1476793133.

The spelling of 672561410 in words is "six hundred seventy-two million, five hundred sixty-one thousand, four hundred ten".