64305307 has 16 divisors (see below), whose sum is σ = 71368704. Its totient is φ = 57456000.

The previous prime is 64305301. The next prime is 64305337. The reversal of 64305307 is 70350346.

It is a cyclic number.

It is not a de Polignac number, because 64305307 - 2¹⁵ = 64272539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64305301) 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, 266707 + ... + 266947.

It is an arithmetic number, because the mean of its divisors is an integer number (4460544).

Almost surely, 2^64305307 is an apocalyptic number.

64305307 is a deficient number, since it is larger than the sum of its proper divisors (7063397).

64305307 is a wasteful number, since it uses less digits than its factorization.

64305307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 64305307 is about 8019.0589846939. The cubic root of 64305307 is about 400.6350475031.

It can be divided in two parts, 64 and 305307, that added together give a triangular number (305371 = T₇₈₁).

The spelling of 64305307 in words is "sixty-four million, three hundred five thousand, three hundred seven".