64306734 has 32 divisors (see below), whose sum is σ = 131193216. Its totient is φ = 21009120.

The previous prime is 64306727. The next prime is 64306747. The reversal of 64306734 is 43760346.

It is a junction number, because it is equal to n+sod(n) for n = 64306695 and 64306704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139264 + ... + 139724.

It is an arithmetic number, because the mean of its divisors is an integer number (4099788).

Almost surely, 2^64306734 is an apocalyptic number.

64306734 is an abundant number, since it is smaller than the sum of its proper divisors (66886482).

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

64306734 is a wasteful number, since it uses less digits than its factorization.

64306734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 64306734 is about 8019.1479597274. The cubic root of 64306734 is about 400.6380109806.

The spelling of 64306734 in words is "sixty-four million, three hundred six thousand, seven hundred thirty-four".