746009121 has 32 divisors (see below), whose sum is σ = 1179988992. Its totient is φ = 413271360.

The previous prime is 746009041. The next prime is 746009153. The reversal of 746009121 is 121900647.

It is a happy number.

It is not a de Polignac number, because 746009121 - 2²¹ = 743911969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (746009161) 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, 35746 + ... + 52628.

It is an arithmetic number, because the mean of its divisors is an integer number (36874656).

Almost surely, 2^746009121 is an apocalyptic number.

It is an amenable number.

746009121 is a deficient number, since it is larger than the sum of its proper divisors (433979871).

746009121 is a wasteful number, since it uses less digits than its factorization.

746009121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17013.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 746009121 is about 27313.1675387532. The cubic root of 746009121 is about 906.9458943140.

Adding to 746009121 its reverse (121900647), we get a palindrome (867909768).

The spelling of 746009121 in words is "seven hundred forty-six million, nine thousand, one hundred twenty-one".