64449046 has 8 divisors (see below), whose sum is σ = 96818400. Its totient is φ = 32176248.

The previous prime is 64449041. The next prime is 64449053. The reversal of 64449046 is 64094446.

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

It is a junction number, because it is equal to n+sod(n) for n = 64448996 and 64449014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64449041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22446 + ... + 25153.

It is an arithmetic number, because the mean of its divisors is an integer number (12102300).

Almost surely, 2^64449046 is an apocalyptic number.

64449046 is a deficient number, since it is larger than the sum of its proper divisors (32369354).

64449046 is a wasteful number, since it uses less digits than its factorization.

64449046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48278.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 64449046 is about 8028.0163178708. The cubic root of 64449046 is about 400.9333330298.

The spelling of 64449046 in words is "sixty-four million, four hundred forty-nine thousand, forty-six".