65670054 has 16 divisors (see below), whose sum is σ = 131423040. Its totient is φ = 21876200.

The previous prime is 65670053. The next prime is 65670071. The reversal of 65670054 is 45007656.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65669997 and 65670024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65670053) 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, 12529 + ... + 16979.

It is an arithmetic number, because the mean of its divisors is an integer number (8213940).

Almost surely, 2^65670054 is an apocalyptic number.

65670054 is an abundant number, since it is smaller than the sum of its proper divisors (65752986).

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

65670054 is a wasteful number, since it uses less digits than its factorization.

65670054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 65670054 is about 8103.7061891458. The cubic root of 65670054 is about 403.4494469480.

The spelling of 65670054 in words is "sixty-five million, six hundred seventy thousand, fifty-four".