64125071 has 8 divisors (see below), whose sum is σ = 69179184. Its totient is φ = 59213440.

The previous prime is 64125067. The next prime is 64125077. The reversal of 64125071 is 17052146.

64125071 = T₁₅₂₉ + T₁₅₃₀ + ... + T₁₅₈₁.

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 64125071 - 2² = 64125067 is a prime.

It is a super-2 number, since 2×64125071² = 8224049461510082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64125071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64125077) 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, 34685 + ... + 36486.

It is an arithmetic number, because the mean of its divisors is an integer number (8647398).

Almost surely, 2^64125071 is an apocalyptic number.

64125071 is a deficient number, since it is larger than the sum of its proper divisors (5054113).

64125071 is a wasteful number, since it uses less digits than its factorization.

64125071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71241.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 64125071 is about 8007.8131221951. The cubic root of 64125071 is about 400.2603950326.

The spelling of 64125071 in words is "sixty-four million, one hundred twenty-five thousand, seventy-one".