65378654 has 16 divisors (see below), whose sum is σ = 108451440. Its totient is φ = 29309760.

The previous prime is 65378633. The next prime is 65378657. The reversal of 65378654 is 45687356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65378657) 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, 18749 + ... + 21960.

It is an arithmetic number, because the mean of its divisors is an integer number (6778215).

Almost surely, 2^65378654 is an apocalyptic number.

65378654 is a deficient number, since it is larger than the sum of its proper divisors (43072786).

65378654 is a wasteful number, since it uses less digits than its factorization.

65378654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40795.

The product of its digits is 604800, while the sum is 44.

The square root of 65378654 is about 8085.7067718289. The cubic root of 65378654 is about 402.8518153863.

The spelling of 65378654 in words is "sixty-five million, three hundred seventy-eight thousand, six hundred fifty-four".