64762489 has 8 divisors (see below), whose sum is σ = 70735968. Its totient is φ = 58803360.

The previous prime is 64762427. The next prime is 64762519. The reversal of 64762489 is 98426746.

It is a happy number.

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

It is not a de Polignac number, because 64762489 - 2¹¹ = 64760441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64760489) 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, 7309 + ... + 13525.

It is an arithmetic number, because the mean of its divisors is an integer number (8841996).

Almost surely, 2^64762489 is an apocalyptic number.

It is an amenable number.

64762489 is a deficient number, since it is larger than the sum of its proper divisors (5973479).

64762489 is a wasteful number, since it uses less digits than its factorization.

64762489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175.

The product of its digits is 580608, while the sum is 46.

The square root of 64762489 is about 8047.5144609997. The cubic root of 64762489 is about 401.5822516964.

It can be divided in two parts, 647 and 62489, that added together give a palindrome (63136).

The spelling of 64762489 in words is "sixty-four million, seven hundred sixty-two thousand, four hundred eighty-nine".