65332378 has 4 divisors (see below), whose sum is σ = 97998570. Its totient is φ = 32666188.

The previous prime is 65332373. The next prime is 65332391. The reversal of 65332378 is 87323356.

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., 52751169 + 12581209 = 7263^2 + 3547^2 .

It is not an unprimeable number, because it can be changed into a prime (65332373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16333093 + ... + 16333096.

Almost surely, 2^65332378 is an apocalyptic number.

65332378 is a deficient number, since it is larger than the sum of its proper divisors (32666192).

65332378 is a wasteful number, since it uses less digits than its factorization.

65332378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32666191.

The product of its digits is 90720, while the sum is 37.

The square root of 65332378 is about 8082.8446725147. The cubic root of 65332378 is about 402.7567447496.

It can be divided in two parts, 6533 and 2378, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 65332378 in words is "sixty-five million, three hundred thirty-two thousand, three hundred seventy-eight".