65352749 has 8 divisors (see below), whose sum is σ = 81478848. Its totient is φ = 50924160.

The previous prime is 65352713. The next prime is 65352773. The reversal of 65352749 is 94725356.

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

It is not a de Polignac number, because 65352749 - 2¹² = 65348653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65352449) 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, 424292 + ... + 424445.

It is an arithmetic number, because the mean of its divisors is an integer number (10184856).

Almost surely, 2^65352749 is an apocalyptic number.

It is an amenable number.

65352749 is a deficient number, since it is larger than the sum of its proper divisors (16126099).

65352749 is a wasteful number, since it uses less digits than its factorization.

65352749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848755.

The product of its digits is 226800, while the sum is 41.

The square root of 65352749 is about 8084.1047123352. The cubic root of 65352749 is about 402.7986009996.

The spelling of 65352749 in words is "sixty-five million, three hundred fifty-two thousand, seven hundred forty-nine".