64263356 has 6 divisors (see below), whose sum is σ = 112460880. Its totient is φ = 32131676.

The previous prime is 64263347. The next prime is 64263421. The reversal of 64263356 is 65336246.

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, 8032916 + ... + 8032923.

It is an arithmetic number, because the mean of its divisors is an integer number (18743480).

Almost surely, 2^64263356 is an apocalyptic number.

It is an amenable number.

64263356 is a deficient number, since it is larger than the sum of its proper divisors (48197524).

64263356 is a wasteful number, since it uses less digits than its factorization.

64263356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16065843 (or 16065841 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 64263356 is about 8016.4428520386. The cubic root of 64263356 is about 400.5479074841.

The spelling of 64263356 in words is "sixty-four million, two hundred sixty-three thousand, three hundred fifty-six".