672215610 has 32 divisors (see below), whose sum is σ = 1759983552. Its totient is φ = 162961280.

The previous prime is 672215597. The next prime is 672215617. The reversal of 672215610 is 16512276.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (672215617) 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, 1018179 + ... + 1018838.

It is an arithmetic number, because the mean of its divisors is an integer number (54999486).

Almost surely, 2^672215610 is an apocalyptic number.

672215610 is an abundant number, since it is smaller than the sum of its proper divisors (1087767942).

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

672215610 is a wasteful number, since it uses less digits than its factorization.

672215610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037038.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 672215610 is about 25927.1211282703. The cubic root of 672215610 is about 875.9974953537.

Adding to 672215610 its reverse (16512276), we get a palindrome (688727886).

The spelling of 672215610 in words is "six hundred seventy-two million, two hundred fifteen thousand, six hundred ten".