64841497 has 8 divisors (see below), whose sum is σ = 74520000. Its totient is φ = 55266864.

The previous prime is 64841479. The next prime is 64841521. The reversal of 64841497 is 79414846.

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 64841497 - 2²³ = 56452889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64841407) 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, 24622 + ... + 27127.

It is an arithmetic number, because the mean of its divisors is an integer number (9315000).

Almost surely, 2^64841497 is an apocalyptic number.

It is an amenable number.

64841497 is a deficient number, since it is larger than the sum of its proper divisors (9678503).

64841497 is a wasteful number, since it uses less digits than its factorization.

64841497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51935.

The product of its digits is 193536, while the sum is 43.

The square root of 64841497 is about 8052.4218096173. The cubic root of 64841497 is about 401.7454908252.

The spelling of 64841497 in words is "sixty-four million, eight hundred forty-one thousand, four hundred ninety-seven".