64465742 has 8 divisors (see below), whose sum is σ = 105489432. Its totient is φ = 29302600.

The previous prime is 64465733. The next prime is 64465763. The reversal of 64465742 is 24756446.

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

It is a super-2 number, since 2×64465742² = 8311663783221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64465696 and 64465705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465109 + ... + 1465152.

It is an arithmetic number, because the mean of its divisors is an integer number (13186179).

Almost surely, 2^64465742 is an apocalyptic number.

64465742 is a deficient number, since it is larger than the sum of its proper divisors (41023690).

64465742 is a wasteful number, since it uses less digits than its factorization.

64465742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930274.

The product of its digits is 161280, while the sum is 38.

The square root of 64465742 is about 8029.0561089084. The cubic root of 64465742 is about 400.9679516181.

The spelling of 64465742 in words is "sixty-four million, four hundred sixty-five thousand, seven hundred forty-two".