64680501 has 8 divisors (see below), whose sum is σ = 87094944. Its totient is φ = 42693200.

The previous prime is 64680479. The next prime is 64680533. The reversal of 64680501 is 10508646.

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 64680501 - 2⁶ = 64680437 is a prime.

It is a super-2 number, since 2×64680501² = 8367134419222002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64681501) 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, 106431 + ... + 107036.

It is an arithmetic number, because the mean of its divisors is an integer number (10886868).

Almost surely, 2^64680501 is an apocalyptic number.

It is an amenable number.

64680501 is a deficient number, since it is larger than the sum of its proper divisors (22414443).

64680501 is a wasteful number, since it uses less digits than its factorization.

64680501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213571.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 64680501 is about 8042.4188525592. The cubic root of 64680501 is about 401.4127151327.

The spelling of 64680501 in words is "sixty-four million, six hundred eighty thousand, five hundred one".