65972703 has 8 divisors (see below), whose sum is σ = 89202816. Its totient is φ = 43362200.

The previous prime is 65972701. The next prime is 65972719. The reversal of 65972703 is 30727956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65972703 - 2¹ = 65972701 is a prime.

It is a super-2 number, since 2×65972703² = 8704795082252418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65972701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154653 + ... + 155078.

It is an arithmetic number, because the mean of its divisors is an integer number (11150352).

Almost surely, 2^65972703 is an apocalyptic number.

65972703 is a deficient number, since it is larger than the sum of its proper divisors (23230113).

65972703 is a wasteful number, since it uses less digits than its factorization.

65972703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309805.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 65972703 is about 8122.3582166757. The cubic root of 65972703 is about 404.0682803751.

The spelling of 65972703 in words is "sixty-five million, nine hundred seventy-two thousand, seven hundred three".