746721255 has 32 divisors (see below), whose sum is σ = 1367299584. Its totient is φ = 340891776.

The previous prime is 746721167. The next prime is 746721257. The reversal of 746721255 is 552127647.

746721255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 746721255 - 2⁷ = 746721127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746721257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79224 + ... + 88146.

It is an arithmetic number, because the mean of its divisors is an integer number (42728112).

Almost surely, 2^746721255 is an apocalyptic number.

746721255 is a deficient number, since it is larger than the sum of its proper divisors (620578329).

746721255 is a wasteful number, since it uses less digits than its factorization.

746721255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9735.

The product of its digits is 117600, while the sum is 39.

The square root of 746721255 is about 27326.2008885246. The cubic root of 746721255 is about 907.2343901627.

The spelling of 746721255 in words is "seven hundred forty-six million, seven hundred twenty-one thousand, two hundred fifty-five".