64413194 has 16 divisors (see below), whose sum is σ = 98780136. Its totient is φ = 31492800.

The previous prime is 64413163. The next prime is 64413241. The reversal of 64413194 is 49131446.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40157569 + 24255625 = 6337^2 + 4925^2 .

It is a super-2 number, since 2×64413194² = 8298119122563272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64413194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20624 + ... + 23540.

Almost surely, 2^64413194 is an apocalyptic number.

64413194 is a deficient number, since it is larger than the sum of its proper divisors (34366942).

64413194 is a wasteful number, since it uses less digits than its factorization.

64413194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its digits is 10368, while the sum is 32.

The square root of 64413194 is about 8025.7830770586. The cubic root of 64413194 is about 400.8589749182.

The spelling of 64413194 in words is "sixty-four million, four hundred thirteen thousand, one hundred ninety-four".