64370047 has 8 divisors (see below), whose sum is σ = 75554336. Its totient is φ = 53682912.

The previous prime is 64370021. The next prime is 64370057. The reversal of 64370047 is 74007346.

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 64370047 - 2¹¹ = 64367999 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 (64370017) 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, 124008 + ... + 124525.

It is an arithmetic number, because the mean of its divisors is an integer number (9444292).

Almost surely, 2^64370047 is an apocalyptic number.

64370047 is a deficient number, since it is larger than the sum of its proper divisors (11184289).

64370047 is a wasteful number, since it uses less digits than its factorization.

64370047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248577.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 64370047 is about 8023.0946024586. The cubic root of 64370047 is about 400.7694501670.

The spelling of 64370047 in words is "sixty-four million, three hundred seventy thousand, forty-seven".