65372763 has 4 divisors (see below), whose sum is σ = 87163688. Its totient is φ = 43581840.

The previous prime is 65372743. The next prime is 65372773. The reversal of 65372763 is 36727356.

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

It is not a de Polignac number, because 65372763 - 2¹⁶ = 65307227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65372743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10895458 + ... + 10895463.

It is an arithmetic number, because the mean of its divisors is an integer number (21790922).

Almost surely, 2^65372763 is an apocalyptic number.

65372763 is a deficient number, since it is larger than the sum of its proper divisors (21790925).

65372763 is a wasteful number, since it uses less digits than its factorization.

65372763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21790924.

The product of its digits is 158760, while the sum is 39.

The square root of 65372763 is about 8085.3424788317. The cubic root of 65372763 is about 402.8397152528.

The spelling of 65372763 in words is "sixty-five million, three hundred seventy-two thousand, seven hundred sixty-three".