64881462 has 8 divisors (see below), whose sum is σ = 129762936. Its totient is φ = 21627152.

The previous prime is 64881437. The next prime is 64881463. The reversal of 64881462 is 26418846.

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

64881462 is an admirable number.

It is a super-2 number, since 2×64881462² = 8419208222514888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64881462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64881463) 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, 5406783 + ... + 5406794.

It is an arithmetic number, because the mean of its divisors is an integer number (16220367).

Almost surely, 2^64881462 is an apocalyptic number.

64881462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64881462 is a wasteful number, since it uses less digits than its factorization.

64881462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813582.

The product of its digits is 73728, while the sum is 39.

The square root of 64881462 is about 8054.9029789315. The cubic root of 64881462 is about 401.8280123675.

The spelling of 64881462 in words is "sixty-four million, eight hundred eighty-one thousand, four hundred sixty-two".