64723485 has 8 divisors (see below), whose sum is σ = 103557600. Its totient is φ = 34519184.

The previous prime is 64723469. The next prime is 64723489. The reversal of 64723485 is 58432746.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64723485 - 2⁴ = 64723469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64723489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157435 + ... + 2157464.

It is an arithmetic number, because the mean of its divisors is an integer number (12944700).

Almost surely, 2^64723485 is an apocalyptic number.

It is an amenable number.

64723485 is a deficient number, since it is larger than the sum of its proper divisors (38834115).

64723485 is a wasteful number, since it uses less digits than its factorization.

64723485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314907.

The product of its digits is 161280, while the sum is 39.

The square root of 64723485 is about 8045.0907390781. The cubic root of 64723485 is about 401.5016162344.

The spelling of 64723485 in words is "sixty-four million, seven hundred twenty-three thousand, four hundred eighty-five".