64837401 has 8 divisors (see below), whose sum is σ = 87915360. Its totient is φ = 42492192.

The previous prime is 64837397. The next prime is 64837403. The reversal of 64837401 is 10473846.

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

It is not a de Polignac number, because 64837401 - 2² = 64837397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64837403) 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, 182980 + ... + 183333.

It is an arithmetic number, because the mean of its divisors is an integer number (10989420).

Almost surely, 2^64837401 is an apocalyptic number.

It is an amenable number.

64837401 is a deficient number, since it is larger than the sum of its proper divisors (23077959).

64837401 is a wasteful number, since it uses less digits than its factorization.

64837401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366375.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 64837401 is about 8052.1674721779. The cubic root of 64837401 is about 401.7370313033.

The spelling of 64837401 in words is "sixty-four million, eight hundred thirty-seven thousand, four hundred one".