672276121 has 8 divisors (see below), whose sum is σ = 739454688. Its totient is φ = 611158900.

The previous prime is 672276119. The next prime is 672276127. The reversal of 672276121 is 121672276.

It is not a de Polignac number, because 672276121 - 2¹ = 672276119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672276127) 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, 251215 + ... + 253876.

It is an arithmetic number, because the mean of its divisors is an integer number (92431836).

Almost surely, 2^672276121 is an apocalyptic number.

It is an amenable number.

672276121 is a deficient number, since it is larger than the sum of its proper divisors (67178567).

672276121 is an equidigital number, since it uses as much as digits as its factorization.

672276121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505124 (or 505102 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 672276121 is about 25928.2880460705. The cubic root of 672276121 is about 876.0237795266.

The spelling of 672276121 in words is "six hundred seventy-two million, two hundred seventy-six thousand, one hundred twenty-one".