64276741 has 4 divisors (see below), whose sum is σ = 64482412. Its totient is φ = 64071072.

The previous prime is 64276739. The next prime is 64276763. The reversal of 64276741 is 14767246.

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 14630625 + 49646116 = 3825^2 + 7046^2 .

It is a cyclic number.

It is not a de Polignac number, because 64276741 - 2¹ = 64276739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64276741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64276781) 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, 102366 + ... + 102991.

It is an arithmetic number, because the mean of its divisors is an integer number (16120603).

Almost surely, 2^64276741 is an apocalyptic number.

It is an amenable number.

64276741 is a deficient number, since it is larger than the sum of its proper divisors (205671).

64276741 is a wasteful number, since it uses less digits than its factorization.

64276741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205670.

The product of its digits is 56448, while the sum is 37.

The square root of 64276741 is about 8017.2776551645. The cubic root of 64276741 is about 400.5757147338.

The spelling of 64276741 in words is "sixty-four million, two hundred seventy-six thousand, seven hundred forty-one".