65120738 has 4 divisors (see below), whose sum is σ = 97681110. Its totient is φ = 32560368.

The previous prime is 65120707. The next prime is 65120743. The reversal of 65120738 is 83702156.

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., 37736449 + 27384289 = 6143^2 + 5233^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16280183 + ... + 16280186.

Almost surely, 2^65120738 is an apocalyptic number.

65120738 is a deficient number, since it is larger than the sum of its proper divisors (32560372).

65120738 is a wasteful number, since it uses less digits than its factorization.

65120738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32560371.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 65120738 is about 8069.7421272306. The cubic root of 65120738 is about 402.3213728425.

The spelling of 65120738 in words is "sixty-five million, one hundred twenty thousand, seven hundred thirty-eight".