64742052 has 24 divisors (see below), whose sum is σ = 159951456. Its totient is φ = 20311168.

The previous prime is 64742039. The next prime is 64742053. The reversal of 64742052 is 25024746.

It is not an unprimeable number, because it can be changed into a prime (64742053) 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, 158478 + ... + 158885.

It is an arithmetic number, because the mean of its divisors is an integer number (6664644).

Almost surely, 2^64742052 is an apocalyptic number.

It is an amenable number.

64742052 is an abundant number, since it is smaller than the sum of its proper divisors (95209404).

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

64742052 is a wasteful number, since it uses less digits than its factorization.

64742052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317387 (or 317385 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 64742052 is about 8046.2445898692. The cubic root of 64742052 is about 401.5400050191.

Adding to 64742052 its reverse (25024746), we get a palindrome (89766798).

The spelling of 64742052 in words is "sixty-four million, seven hundred forty-two thousand, fifty-two".