64473370 has 32 divisors (see below), whose sum is σ = 130419072. Its totient is φ = 22769472.

The previous prime is 64473359. The next prime is 64473379. The reversal of 64473370 is 7337446.

It is not an unprimeable number, because it can be changed into a prime (64473379) 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, 7792 + ... + 13771.

It is an arithmetic number, because the mean of its divisors is an integer number (4075596).

Almost surely, 2^64473370 is an apocalyptic number.

64473370 is an abundant number, since it is smaller than the sum of its proper divisors (65945702).

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

64473370 is a wasteful number, since it uses less digits than its factorization.

64473370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 64473370 is about 8029.5311195611. The cubic root of 64473370 is about 400.9837660275.

The spelling of 64473370 in words is "sixty-four million, four hundred seventy-three thousand, three hundred seventy".