64750453 has 4 divisors (see below), whose sum is σ = 64781260. Its totient is φ = 64719648.

The previous prime is 64750429. The next prime is 64750457. The reversal of 64750453 is 35405746.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 59629284 = 2263^2 + 7722^2 .

It is a cyclic number.

It is not a de Polignac number, because 64750453 - 2¹³ = 64742261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64750457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12000 + ... + 16537.

It is an arithmetic number, because the mean of its divisors is an integer number (16195315).

Almost surely, 2^64750453 is an apocalyptic number.

It is an amenable number.

64750453 is a deficient number, since it is larger than the sum of its proper divisors (30807).

64750453 is a wasteful number, since it uses less digits than its factorization.

64750453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806.

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

The square root of 64750453 is about 8046.7666177167. The cubic root of 64750453 is about 401.5573723590.

The spelling of 64750453 in words is "sixty-four million, seven hundred fifty thousand, four hundred fifty-three".