64345750 has 64 divisors (see below), whose sum is σ = 139636224. Its totient is φ = 21746400.

The previous prime is 64345747. The next prime is 64345753. The reversal of 64345750 is 5754346.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64345747) and next prime (64345753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64345753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145029 + ... + 145471.

It is an arithmetic number, because the mean of its divisors is an integer number (2181816).

Almost surely, 2^64345750 is an apocalyptic number.

64345750 is an abundant number, since it is smaller than the sum of its proper divisors (75290474).

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

64345750 is a wasteful number, since it uses less digits than its factorization.

64345750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 64345750 is about 8021.5802682514. The cubic root of 64345750 is about 400.7190192539.

The spelling of 64345750 in words is "sixty-four million, three hundred forty-five thousand, seven hundred fifty".