64726051 has 16 divisors (see below), whose sum is σ = 72182880. Its totient is φ = 57657600.

The previous prime is 64726049. The next prime is 64726069. The reversal of 64726051 is 15062746.

It is a happy number.

It is not a de Polignac number, because 64726051 - 2¹ = 64726049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64726031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49101 + ... + 50401.

It is an arithmetic number, because the mean of its divisors is an integer number (4511430).

Almost surely, 2^64726051 is an apocalyptic number.

64726051 is a deficient number, since it is larger than the sum of its proper divisors (7456829).

64726051 is a wasteful number, since it uses less digits than its factorization.

64726051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 64726051 is about 8045.2502136354. The cubic root of 64726051 is about 401.5069220855.

Adding to 64726051 its reverse (15062746), we get a palindrome (79788797).

The spelling of 64726051 in words is "sixty-four million, seven hundred twenty-six thousand, fifty-one".