64467490 has 16 divisors (see below), whose sum is σ = 116133120. Its totient is φ = 25766640.

The previous prime is 64467479. The next prime is 64467499. The reversal of 64467490 is 9476446.

It is not an unprimeable number, because it can be changed into a prime (64467499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22351 + ... + 25069.

It is an arithmetic number, because the mean of its divisors is an integer number (7258320).

Almost surely, 2^64467490 is an apocalyptic number.

64467490 is a deficient number, since it is larger than the sum of its proper divisors (51665630).

64467490 is a wasteful number, since it uses less digits than its factorization.

64467490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 64467490 is about 8029.1649628090. The cubic root of 64467490 is about 400.9715756910.

The spelling of 64467490 in words is "sixty-four million, four hundred sixty-seven thousand, four hundred ninety".