64794480 has 80 divisors (see below), whose sum is σ = 212691744. Its totient is φ = 16261120.

The previous prime is 64794479. The next prime is 64794481. The reversal of 64794480 is 8449746.

It is an interprime number because it is at equal distance from previous prime (64794479) and next prime (64794481).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64794481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861 + ... + 12020.

Almost surely, 2^64794480 is an apocalyptic number.

64794480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64794480 is an abundant number, since it is smaller than the sum of its proper divisors (147897264).

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

64794480 is a wasteful number, since it uses less digits than its factorization.

64794480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15914 (or 15908 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 64794480 is about 8049.5018479407. The cubic root of 64794480 is about 401.6483645715.

The spelling of 64794480 in words is "sixty-four million, seven hundred ninety-four thousand, four hundred eighty".