64864082 has 4 divisors (see below), whose sum is σ = 97296126. Its totient is φ = 32432040.

The previous prime is 64864067. The next prime is 64864099. The reversal of 64864082 is 28046846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53567761 + 11296321 = 7319^2 + 3361^2 .

It is a super-3 number, since 3×64864082³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16216019 + ... + 16216022.

Almost surely, 2^64864082 is an apocalyptic number.

64864082 is a deficient number, since it is larger than the sum of its proper divisors (32432044).

64864082 is a wasteful number, since it uses less digits than its factorization.

64864082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32432043.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 64864082 is about 8053.8240606559. The cubic root of 64864082 is about 401.7921295215.

It can be divided in two parts, 648 and 64082, that multiplied together give a square (41525136 = 6444²).

The spelling of 64864082 in words is "sixty-four million, eight hundred sixty-four thousand, eighty-two".