65267420 has 48 divisors (see below), whose sum is σ = 146694240. Its totient is φ = 24305664.

The previous prime is 65267407. The next prime is 65267473. The reversal of 65267420 is 2476256.

It is a super-2 number, since 2×65267420² = 8519672226912800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31991 + ... + 33969.

It is an arithmetic number, because the mean of its divisors is an integer number (3056130).

Almost surely, 2^65267420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65267420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73347120).

65267420 is an abundant number, since it is smaller than the sum of its proper divisors (81426820).

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

65267420 is a wasteful number, since it uses less digits than its factorization.

65267420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 65267420 is about 8078.8254096744. The cubic root of 65267420 is about 402.6232175511.

The spelling of 65267420 in words is "sixty-five million, two hundred sixty-seven thousand, four hundred twenty".