64229004 has 144 divisors (see below), whose sum is σ = 198223200. Its totient is φ = 17926272.

The previous prime is 64228979. The next prime is 64229017. The reversal of 64229004 is 40092246.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280362 + ... + 280590.

It is an arithmetic number, because the mean of its divisors is an integer number (1376550).

Almost surely, 2^64229004 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 64229004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99111600).

64229004 is an abundant number, since it is smaller than the sum of its proper divisors (133994196).

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

64229004 is a wasteful number, since it uses less digits than its factorization.

64229004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64229004 is about 8014.2999694296. The cubic root of 64229004 is about 400.4765237540.

It can be divided in two parts, 642 and 29004, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 64229004 in words is "sixty-four million, two hundred twenty-nine thousand, four".