672720235 has 16 divisors (see below), whose sum is σ = 888890112. Its totient is φ = 484674400.

The previous prime is 672720233. The next prime is 672720241. The reversal of 672720235 is 532027276.

It is not a de Polignac number, because 672720235 - 2¹ = 672720233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672720235.

It is not an unprimeable number, because it can be changed into a prime (672720233) 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, 51271 + ... + 63040.

It is an arithmetic number, because the mean of its divisors is an integer number (55555632).

Almost surely, 2^672720235 is an apocalyptic number.

672720235 is a deficient number, since it is larger than the sum of its proper divisors (216169877).

672720235 is a wasteful number, since it uses less digits than its factorization.

672720235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114434.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 672720235 is about 25936.8509075408. The cubic root of 672720235 is about 876.2166411463.

It can be divided in two parts, 6727 and 20235, that added together give a palindrome (26962).

The spelling of 672720235 in words is "six hundred seventy-two million, seven hundred twenty thousand, two hundred thirty-five".