64272741 has 32 divisors (see below), whose sum is σ = 97628160. Its totient is φ = 37312704.

The previous prime is 64272739. The next prime is 64272779. The reversal of 64272741 is 14727246.

It is not a de Polignac number, because 64272741 - 2¹ = 64272739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64272731) 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, 70410 + ... + 71316.

It is an arithmetic number, because the mean of its divisors is an integer number (3050880).

Almost surely, 2^64272741 is an apocalyptic number.

It is an amenable number.

64272741 is a deficient number, since it is larger than the sum of its proper divisors (33355419).

64272741 is a wasteful number, since it uses less digits than its factorization.

64272741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its digits is 18816, while the sum is 33.

The square root of 64272741 is about 8017.0281900465. The cubic root of 64272741 is about 400.5674051645.

Adding to 64272741 its reverse (14727246), we get a palindrome (78999987).

The spelling of 64272741 in words is "sixty-four million, two hundred seventy-two thousand, seven hundred forty-one".