64455742 has 32 divisors (see below), whose sum is σ = 106791552. Its totient is φ = 28996704.

The previous prime is 64455701. The next prime is 64455749. The reversal of 64455742 is 24755446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64455749) 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, 283833 + ... + 284059.

It is an arithmetic number, because the mean of its divisors is an integer number (3337236).

Almost surely, 2^64455742 is an apocalyptic number.

64455742 is a deficient number, since it is larger than the sum of its proper divisors (42335810).

64455742 is a wasteful number, since it uses less digits than its factorization.

64455742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its digits is 134400, while the sum is 37.

The square root of 64455742 is about 8028.4333465502. The cubic root of 64455742 is about 400.9472176761.

The spelling of 64455742 in words is "sixty-four million, four hundred fifty-five thousand, seven hundred forty-two".