64272697 has 8 divisors (see below), whose sum is σ = 64904000. Its totient is φ = 63644400.

The previous prime is 64272683. The next prime is 64272709. The reversal of 64272697 is 79627246.

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 64272697 - 2¹¹ = 64270649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64272617) 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, 74923 + ... + 75775.

It is an arithmetic number, because the mean of its divisors is an integer number (8113000).

Almost surely, 2^64272697 is an apocalyptic number.

It is an amenable number.

64272697 is a deficient number, since it is larger than the sum of its proper divisors (631303).

64272697 is a wasteful number, since it uses less digits than its factorization.

64272697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its digits is 254016, while the sum is 43.

The square root of 64272697 is about 8017.0254458870. The cubic root of 64272697 is about 400.5673137574.

The spelling of 64272697 in words is "sixty-four million, two hundred seventy-two thousand, six hundred ninety-seven".