64345407 has 16 divisors (see below), whose sum is σ = 98356992. Its totient is φ = 36653760.

The previous prime is 64345399. The next prime is 64345409. The reversal of 64345407 is 70454346.

It is a happy number.

It is not a de Polignac number, because 64345407 - 2³ = 64345399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64345409) 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, 2323 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (6147312).

Almost surely, 2^64345407 is an apocalyptic number.

64345407 is a deficient number, since it is larger than the sum of its proper divisors (34011585).

64345407 is a wasteful number, since it uses less digits than its factorization.

64345407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9598.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 64345407 is about 8021.5588883957. The cubic root of 64345407 is about 400.7183072313.

The spelling of 64345407 in words is "sixty-four million, three hundred forty-five thousand, four hundred seven".