64199004 has 48 divisors (see below), whose sum is σ = 159213600. Its totient is φ = 20064256.

The previous prime is 64198999. The next prime is 64199053. The reversal of 64199004 is 40099146.

It is a super-2 number, since 2×64199004² = 8243024229184032, which contains 22 as substring.

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, 78952 + ... + 79760.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^64199004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64199004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79606800).

64199004 is an abundant number, since it is smaller than the sum of its proper divisors (95014596).

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

64199004 is a wasteful number, since it uses less digits than its factorization.

64199004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 64199004 is about 8012.4280964012. The cubic root of 64199004 is about 400.4141626918.

The spelling of 64199004 in words is "sixty-four million, one hundred ninety-nine thousand, four".