65764457 has 8 divisors (see below), whose sum is σ = 71857152. Its totient is φ = 59690800.

The previous prime is 65764411. The next prime is 65764463. The reversal of 65764457 is 75446756.

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 65764457 - 2¹⁰ = 65763433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65764477) 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, 3032 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (8982144).

Almost surely, 2^65764457 is an apocalyptic number.

It is an amenable number.

65764457 is a deficient number, since it is larger than the sum of its proper divisors (6092695).

65764457 is a wasteful number, since it uses less digits than its factorization.

65764457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519.

The product of its digits is 705600, while the sum is 44.

The square root of 65764457 is about 8109.5287779254. The cubic root of 65764457 is about 403.6426786165.

The spelling of 65764457 in words is "sixty-five million, seven hundred sixty-four thousand, four hundred fifty-seven".