64545734 has 8 divisors (see below), whose sum is σ = 105620328. Its totient is φ = 29338960.

The previous prime is 64545727. The next prime is 64545749. The reversal of 64545734 is 43754546.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466927 + ... + 1466970.

It is an arithmetic number, because the mean of its divisors is an integer number (13202541).

Almost surely, 2^64545734 is an apocalyptic number.

64545734 is a deficient number, since it is larger than the sum of its proper divisors (41074594).

64545734 is a wasteful number, since it uses less digits than its factorization.

64545734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933910.

The product of its digits is 201600, while the sum is 38.

The square root of 64545734 is about 8034.0359720380. The cubic root of 64545734 is about 401.1337294413.

The spelling of 64545734 in words is "sixty-four million, five hundred forty-five thousand, seven hundred thirty-four".