64394629 has 16 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 55238976.

The previous prime is 64394599. The next prime is 64394647. The reversal of 64394629 is 92649346.

It is not a de Polignac number, because 64394629 - 2⁷ = 64394501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64314629) 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, 10632 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^64394629 is an apocalyptic number.

It is an amenable number.

64394629 is a deficient number, since it is larger than the sum of its proper divisors (9995771).

64394629 is a wasteful number, since it uses less digits than its factorization.

64394629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004.

The product of its digits is 279936, while the sum is 43.

The square root of 64394629 is about 8024.6264087495. The cubic root of 64394629 is about 400.8204597140.

The spelling of 64394629 in words is "sixty-four million, three hundred ninety-four thousand, six hundred twenty-nine".