64742363 has 8 divisors (see below), whose sum is σ = 74180832. Its totient is φ = 55351296.

The previous prime is 64742347. The next prime is 64742371. The reversal of 64742363 is 36324746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64742363 - 2⁴ = 64742347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64742303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8870 + ... + 14427.

It is an arithmetic number, because the mean of its divisors is an integer number (9272604).

Almost surely, 2^64742363 is an apocalyptic number.

64742363 is a deficient number, since it is larger than the sum of its proper divisors (9438469).

64742363 is a wasteful number, since it uses less digits than its factorization.

64742363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23701.

The product of its digits is 72576, while the sum is 35.

The square root of 64742363 is about 8046.2639156319. The cubic root of 64742363 is about 401.5406479744.

The spelling of 64742363 in words is "sixty-four million, seven hundred forty-two thousand, three hundred sixty-three".