64134073 has 4 divisors (see below), whose sum is σ = 64150528. Its totient is φ = 64117620.

The previous prime is 64134067. The next prime is 64134107. The reversal of 64134073 is 37043146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64134073 - 2¹³ = 64125881 is a prime.

It is a super-2 number, since 2×64134073² = 8226358639138658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64134053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288 + ... + 11398.

It is an arithmetic number, because the mean of its divisors is an integer number (16037632).

Almost surely, 2^64134073 is an apocalyptic number.

It is an amenable number.

64134073 is a deficient number, since it is larger than the sum of its proper divisors (16455).

64134073 is a wasteful number, since it uses less digits than its factorization.

64134073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 64134073 is about 8008.3751785240. The cubic root of 64134073 is about 400.2791239293.

The spelling of 64134073 in words is "sixty-four million, one hundred thirty-four thousand, seventy-three".