64061742 has 16 divisors (see below), whose sum is σ = 128494800. Its totient is φ = 21292032.

The previous prime is 64061731. The next prime is 64061743. The reversal of 64061742 is 24716046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64061743) 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, 13203 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (8030925).

Almost surely, 2^64061742 is an apocalyptic number.

64061742 is an abundant number, since it is smaller than the sum of its proper divisors (64433058).

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

64061742 is a wasteful number, since it uses less digits than its factorization.

64061742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30947.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 64061742 is about 8003.8579447664. The cubic root of 64061742 is about 400.1285878252.

Adding to 64061742 its reverse (24716046), we get a palindrome (88777788).

The spelling of 64061742 in words is "sixty-four million, sixty-one thousand, seven hundred forty-two".