64250742 has 32 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 20221920.

The previous prime is 64250663. The next prime is 64250743. The reversal of 64250742 is 24705246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64250743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41767 + ... + 43277.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^64250742 is an apocalyptic number.

64250742 is an abundant number, since it is smaller than the sum of its proper divisors (71466378).

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

64250742 is a wasteful number, since it uses less digits than its factorization.

64250742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

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

The square root of 64250742 is about 8015.6560554954. The cubic root of 64250742 is about 400.5216984477.

Adding to 64250742 its reverse (24705246), we get a palindrome (88955988).

The spelling of 64250742 in words is "sixty-four million, two hundred fifty thousand, seven hundred forty-two".