64055739 has 8 divisors (see below), whose sum is σ = 93172032. Its totient is φ = 38821640.

The previous prime is 64055731. The next prime is 64055743. The reversal of 64055739 is 93755046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64055739 - 2³ = 64055731 is a prime.

It is a super-2 number, since 2×64055739² = 8206275397672242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64055697 and 64055706.

It is not an unprimeable number, because it can be changed into a prime (64055731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970509 + ... + 970574.

It is an arithmetic number, because the mean of its divisors is an integer number (11646504).

Almost surely, 2^64055739 is an apocalyptic number.

64055739 is a deficient number, since it is larger than the sum of its proper divisors (29116293).

64055739 is a wasteful number, since it uses less digits than its factorization.

64055739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941097.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 64055739 is about 8003.4829293252. The cubic root of 64055739 is about 400.1160892216.

The spelling of 64055739 in words is "sixty-four million, fifty-five thousand, seven hundred thirty-nine".