65648374 has 16 divisors (see below), whose sum is σ = 107833680. Its totient is φ = 29726560.

The previous prime is 65648369. The next prime is 65648381. The reversal of 65648374 is 47384656.

It is a self number, because there is not a number n which added to its sum of digits gives 65648374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372 + ... + 11464.

It is an arithmetic number, because the mean of its divisors is an integer number (6739605).

Almost surely, 2^65648374 is an apocalyptic number.

65648374 is a deficient number, since it is larger than the sum of its proper divisors (42185306).

65648374 is a wasteful number, since it uses less digits than its factorization.

65648374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375.

The product of its digits is 483840, while the sum is 43.

The square root of 65648374 is about 8102.3684191723. The cubic root of 65648374 is about 403.4050444327.

The spelling of 65648374 in words is "sixty-five million, six hundred forty-eight thousand, three hundred seventy-four".