64805496 has 64 divisors (see below), whose sum is σ = 196058880. Its totient is φ = 17425920.

The previous prime is 64805471. The next prime is 64805509. The reversal of 64805496 is 69450846.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8490 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (3063420).

Almost surely, 2^64805496 is an apocalyptic number.

It is an amenable number.

64805496 is an abundant number, since it is smaller than the sum of its proper divisors (131253384).

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

64805496 is a wasteful number, since it uses less digits than its factorization.

64805496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22724 (or 22720 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 64805496 is about 8050.1860848057. The cubic root of 64805496 is about 401.6711252946.

The spelling of 64805496 in words is "sixty-four million, eight hundred five thousand, four hundred ninety-six".