65623733 has 8 divisors (see below), whose sum is σ = 75663168. Its totient is φ = 55750464.

The previous prime is 65623721. The next prime is 65623763. The reversal of 65623733 is 33732656.

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

It is not a de Polignac number, because 65623733 - 2⁴ = 65623717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65623693 and 65623702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65623763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40691 + ... + 42272.

It is an arithmetic number, because the mean of its divisors is an integer number (9457896).

Almost surely, 2^65623733 is an apocalyptic number.

It is an amenable number.

65623733 is a deficient number, since it is larger than the sum of its proper divisors (10039435).

65623733 is a wasteful number, since it uses less digits than its factorization.

65623733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83083.

The product of its digits is 68040, while the sum is 35.

The square root of 65623733 is about 8100.8476716946. The cubic root of 65623733 is about 403.3545656620.

It can be divided in two parts, 656 and 23733, that added together give a cube (24389 = 29³).

The spelling of 65623733 in words is "sixty-five million, six hundred twenty-three thousand, seven hundred thirty-three".