64779462 has 48 divisors (see below), whose sum is σ = 156029328. Its totient is φ = 19256640.

The previous prime is 64779443. The next prime is 64779487. The reversal of 64779462 is 26497746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7408 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (3250611).

Almost surely, 2^64779462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64779462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78014664).

64779462 is an abundant number, since it is smaller than the sum of its proper divisors (91249866).

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

64779462 is a wasteful number, since it uses less digits than its factorization.

64779462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245 (or 6242 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 64779462 is about 8048.5689411224. The cubic root of 64779462 is about 401.6173309545.

The spelling of 64779462 in words is "sixty-four million, seven hundred seventy-nine thousand, four hundred sixty-two".