65274773 has 8 divisors (see below), whose sum is σ = 66453120. Its totient is φ = 64103760.

The previous prime is 65274763. The next prime is 65274821. The reversal of 65274773 is 37747256.

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 65274773 - 2⁴ = 65274757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65274773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65274763) 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, 18008 + ... + 21326.

It is an arithmetic number, because the mean of its divisors is an integer number (8306640).

Almost surely, 2^65274773 is an apocalyptic number.

It is an amenable number.

65274773 is a deficient number, since it is larger than the sum of its proper divisors (1178347).

65274773 is a wasteful number, since it uses less digits than its factorization.

65274773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667.

The product of its digits is 246960, while the sum is 41.

The square root of 65274773 is about 8079.2804753889. The cubic root of 65274773 is about 402.6383367706.

The spelling of 65274773 in words is "sixty-five million, two hundred seventy-four thousand, seven hundred seventy-three".