64742352 has 40 divisors (see below), whose sum is σ = 170093280. Its totient is φ = 21214080.

The previous prime is 64742347. The next prime is 64742371. The reversal of 64742352 is 25324746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8599 + ... + 14262.

It is an arithmetic number, because the mean of its divisors is an integer number (4252332).

Almost surely, 2^64742352 is an apocalyptic number.

It is an amenable number.

64742352 is an abundant number, since it is smaller than the sum of its proper divisors (105350928).

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

64742352 is a wasteful number, since it uses less digits than its factorization.

64742352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931 (or 22925 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 64742352 is about 8046.2632320848. The cubic root of 64742352 is about 401.5406252332.

The spelling of 64742352 in words is "sixty-four million, seven hundred forty-two thousand, three hundred fifty-two".