64242277 has 8 divisors (see below), whose sum is σ = 70451712. Its totient is φ = 58094400.

The previous prime is 64242271. The next prime is 64242281. The reversal of 64242277 is 77224246.

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 64242277 - 2²³ = 55853669 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 (64242271) 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, 13188 + ... + 17389.

It is an arithmetic number, because the mean of its divisors is an integer number (8806464).

Almost surely, 2^64242277 is an apocalyptic number.

It is an amenable number.

64242277 is a deficient number, since it is larger than the sum of its proper divisors (6209435).

64242277 is a wasteful number, since it uses less digits than its factorization.

64242277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30779.

The product of its digits is 37632, while the sum is 34.

The square root of 64242277 is about 8015.1280089591. The cubic root of 64242277 is about 400.5041081705.

It can be divided in two parts, 642422 and 77, that multiplied together give a palindrome (49466494).

The spelling of 64242277 in words is "sixty-four million, two hundred forty-two thousand, two hundred seventy-seven".