65362638 has 32 divisors (see below), whose sum is σ = 143281152. Its totient is φ = 19713600.

The previous prime is 65362597. The next prime is 65362639. The reversal of 65362638 is 83626356.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65362596 and 65362605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65362639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12498 + ... + 16938.

It is an arithmetic number, because the mean of its divisors is an integer number (4477536).

Almost surely, 2^65362638 is an apocalyptic number.

65362638 is an abundant number, since it is smaller than the sum of its proper divisors (77918514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65362638 is a wasteful number, since it uses less digits than its factorization.

65362638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680.

The product of its digits is 155520, while the sum is 39.

The square root of 65362638 is about 8084.7163215539. The cubic root of 65362638 is about 402.8189167707.

The spelling of 65362638 in words is "sixty-five million, three hundred sixty-two thousand, six hundred thirty-eight".