64948436 has 24 divisors (see below), whose sum is σ = 130394880. Its totient is φ = 27728352.

The previous prime is 64948423. The next prime is 64948451. The reversal of 64948436 is 63484946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221 + ... + 11843.

It is an arithmetic number, because the mean of its divisors is an integer number (5433120).

Almost surely, 2^64948436 is an apocalyptic number.

It is an amenable number.

64948436 is an abundant number, since it is smaller than the sum of its proper divisors (65446444).

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

64948436 is a wasteful number, since it uses less digits than its factorization.

64948436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903 (or 8901 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 64948436 is about 8059.0592503096. The cubic root of 64948436 is about 401.9662273716.

The spelling of 64948436 in words is "sixty-four million, nine hundred forty-eight thousand, four hundred thirty-six".