64473436 has 6 divisors (see below), whose sum is σ = 112828520. Its totient is φ = 32236716.

The previous prime is 64473419. The next prime is 64473457. The reversal of 64473436 is 63437446.

It is a junction number, because it is equal to n+sod(n) for n = 64473395 and 64473404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059176 + ... + 8059183.

Almost surely, 2^64473436 is an apocalyptic number.

It is an amenable number.

64473436 is a deficient number, since it is larger than the sum of its proper divisors (48355084).

64473436 is a wasteful number, since it uses less digits than its factorization.

64473436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118363 (or 16118361 counting only the distinct ones).

The product of its digits is 145152, while the sum is 37.

The square root of 64473436 is about 8029.5352293891. The cubic root of 64473436 is about 400.9839028536.

The spelling of 64473436 in words is "sixty-four million, four hundred seventy-three thousand, four hundred thirty-six".