64274655 has 8 divisors (see below), whose sum is σ = 102839472. Its totient is φ = 34279808.

The previous prime is 64274653. The next prime is 64274657. The reversal of 64274655 is 55647246.

It is an interprime number because it is at equal distance from previous prime (64274653) and next prime (64274657).

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 64274655 - 2¹ = 64274653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64274653) 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, 2142474 + ... + 2142503.

It is an arithmetic number, because the mean of its divisors is an integer number (12854934).

Almost surely, 2^64274655 is an apocalyptic number.

64274655 is a deficient number, since it is larger than the sum of its proper divisors (38564817).

64274655 is a wasteful number, since it uses less digits than its factorization.

64274655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284985.

The product of its digits is 201600, while the sum is 39.

The square root of 64274655 is about 8017.1475600740. The cubic root of 64274655 is about 400.5713813365.

The spelling of 64274655 in words is "sixty-four million, two hundred seventy-four thousand, six hundred fifty-five".