64021048 has 96 divisors (see below), whose sum is σ = 159440400. Its totient is φ = 23804928.

The previous prime is 64021043. The next prime is 64021057. The reversal of 64021048 is 84012046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64021043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86263 + ... + 87001.

Almost surely, 2^64021048 is an apocalyptic number.

64021048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64021048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79720200).

64021048 is an abundant number, since it is smaller than the sum of its proper divisors (95419352).

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

64021048 is a wasteful number, since it uses less digits than its factorization.

64021048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 64021048 is about 8001.3153918590. The cubic root of 64021048 is about 400.0438451938.

The spelling of 64021048 in words is "sixty-four million, twenty-one thousand, forty-eight".