64742011 has 4 divisors (see below), whose sum is σ = 64862224. Its totient is φ = 64621800.

The previous prime is 64741979. The next prime is 64742017. The reversal of 64742011 is 11024746.

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

It is a cyclic number.

It is not a de Polignac number, because 64742011 - 2⁵ = 64741979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64742017) 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, 59295 + ... + 60376.

It is an arithmetic number, because the mean of its divisors is an integer number (16215556).

Almost surely, 2^64742011 is an apocalyptic number.

64742011 is the 4646-th hex number.

64742011 is a deficient number, since it is larger than the sum of its proper divisors (120213).

64742011 is a wasteful number, since it uses less digits than its factorization.

64742011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120212.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 64742011 is about 8046.2420420964. The cubic root of 64742011 is about 401.5399202563.

Adding to 64742011 its reverse (11024746), we get a palindrome (75766757).

The spelling of 64742011 in words is "sixty-four million, seven hundred forty-two thousand, eleven".