672126378834 has 32 divisors (see below), whose sum is σ = 1363541760000. Its totient is φ = 220836764304.

The previous prime is 672126378829. The next prime is 672126378839. The reversal of 672126378834 is 438873621276.

It is an interprime number because it is at equal distance from previous prime (672126378829) and next prime (672126378839).

It is not an unprimeable number, because it can be changed into a prime (672126378839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899704 + ... + 1467555.

It is an arithmetic number, because the mean of its divisors is an integer number (42610680000).

Almost surely, 2^672126378834 is an apocalyptic number.

672126378834 is an abundant number, since it is smaller than the sum of its proper divisors (691415381166).

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

672126378834 is a wasteful number, since it uses less digits than its factorization.

672126378834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367942.

The product of its digits is 16257024, while the sum is 57.

The spelling of 672126378834 in words is "six hundred seventy-two billion, one hundred twenty-six million, three hundred seventy-eight thousand, eight hundred thirty-four".