746544121 has 4 divisors (see below), whose sum is σ = 747121012. Its totient is φ = 745967232.

The previous prime is 746544091. The next prime is 746544157. The reversal of 746544121 is 121445647.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 653518096 + 93026025 = 25564^2 + 9645^2 .

It is a cyclic number.

It is not a de Polignac number, because 746544121 - 2⁵ = 746544089 is a prime.

It is a pancake number, because a pancake can be divided into 746544121 parts by 38640 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746547121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286500 + ... + 289093.

It is an arithmetic number, because the mean of its divisors is an integer number (186780253).

Almost surely, 2^746544121 is an apocalyptic number.

It is an amenable number.

746544121 is a deficient number, since it is larger than the sum of its proper divisors (576891).

746544121 is a wasteful number, since it uses less digits than its factorization.

746544121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576890.

The product of its digits is 26880, while the sum is 34.

The square root of 746544121 is about 27322.9595944510. The cubic root of 746544121 is about 907.1626477447.

Adding to 746544121 its reverse (121445647), we get a palindrome (867989768).

The spelling of 746544121 in words is "seven hundred forty-six million, five hundred forty-four thousand, one hundred twenty-one".