64116739 has 4 divisors (see below), whose sum is σ = 64143040. Its totient is φ = 64090440.

The previous prime is 64116683. The next prime is 64116761. The reversal of 64116739 is 93761146.

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 64116739 - 2²³ = 55728131 is a prime.

It is a super-2 number, since 2×64116739² = 8221912439988242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64116698 and 64116707.

It is not an unprimeable number, because it can be changed into a prime (64116799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9072 + ... + 14509.

It is an arithmetic number, because the mean of its divisors is an integer number (16035760).

Almost surely, 2^64116739 is an apocalyptic number.

64116739 is a deficient number, since it is larger than the sum of its proper divisors (26301).

64116739 is a wasteful number, since it uses less digits than its factorization.

64116739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300.

The product of its digits is 27216, while the sum is 37.

The square root of 64116739 is about 8007.2928633840. The cubic root of 64116739 is about 400.2430585265.

The spelling of 64116739 in words is "sixty-four million, one hundred sixteen thousand, seven hundred thirty-nine".