64712742 has 8 divisors (see below), whose sum is σ = 129425496. Its totient is φ = 21570912.

The previous prime is 64712729. The next prime is 64712759. The reversal of 64712742 is 24721746.

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

64712742 is an admirable number.

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, 5392723 + ... + 5392734.

It is an arithmetic number, because the mean of its divisors is an integer number (16178187).

Almost surely, 2^64712742 is an apocalyptic number.

64712742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64712742 is a wasteful number, since it uses less digits than its factorization.

64712742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785462.

The product of its digits is 18816, while the sum is 33.

The square root of 64712742 is about 8044.4230371109. The cubic root of 64712742 is about 401.4794008539.

The spelling of 64712742 in words is "sixty-four million, seven hundred twelve thousand, seven hundred forty-two".