64127241272 has 16 divisors (see below), whose sum is σ = 120338710800. Its totient is φ = 32036918400.

The previous prime is 64127241257. The next prime is 64127241313. The reversal of 64127241272 is 27214272146.

It is a super-2 number, since 2×64127241272² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3327572 + ... + 3346787.

It is an arithmetic number, because the mean of its divisors is an integer number (7521169425).

Almost surely, 2^64127241272 is an apocalyptic number.

It is an amenable number.

64127241272 is a deficient number, since it is larger than the sum of its proper divisors (56211469528).

64127241272 is a wasteful number, since it uses less digits than its factorization.

64127241272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675566 (or 6675562 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The spelling of 64127241272 in words is "sixty-four billion, one hundred twenty-seven million, two hundred forty-one thousand, two hundred seventy-two".