64076749 has 8 divisors (see below), whose sum is σ = 70106400. Its totient is φ = 58081200.

The previous prime is 64076717. The next prime is 64076777. The reversal of 64076749 is 94767046.

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

It is a cyclic number.

It is not a de Polignac number, because 64076749 - 2⁵ = 64076717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64076449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 12184.

It is an arithmetic number, because the mean of its divisors is an integer number (8763300).

Almost surely, 2^64076749 is an apocalyptic number.

It is an amenable number.

64076749 is a deficient number, since it is larger than the sum of its proper divisors (6029651).

64076749 is a wasteful number, since it uses less digits than its factorization.

64076749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 64076749 is about 8004.7953752735. The cubic root of 64076749 is about 400.1598298775.

The spelling of 64076749 in words is "sixty-four million, seventy-six thousand, seven hundred forty-nine".