64962818 has 4 divisors (see below), whose sum is σ = 97444230. Its totient is φ = 32481408.

The previous prime is 64962761. The next prime is 64962827. The reversal of 64962818 is 81826946.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81826946 = 2 ⋅40913473.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 30658369 = 5857^2 + 5537^2 .

It is a super-2 number, since 2×64962818² = 8440335445002248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16240703 + ... + 16240706.

Almost surely, 2^64962818 is an apocalyptic number.

64962818 is a deficient number, since it is larger than the sum of its proper divisors (32481412).

64962818 is a wasteful number, since it uses less digits than its factorization.

64962818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32481411.

The product of its digits is 165888, while the sum is 44.

The square root of 64962818 is about 8059.9514886878. The cubic root of 64962818 is about 401.9958952742.

The spelling of 64962818 in words is "sixty-four million, nine hundred sixty-two thousand, eight hundred eighteen".