65237420 has 12 divisors (see below), whose sum is σ = 136998624. Its totient is φ = 26094960.

The previous prime is 65237377. The next prime is 65237429. The reversal of 65237420 is 2473256.

It is not an unprimeable number, because it can be changed into a prime (65237429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630916 + ... + 1630955.

It is an arithmetic number, because the mean of its divisors is an integer number (11416552).

Almost surely, 2^65237420 is an apocalyptic number.

It is an amenable number.

65237420 is an abundant number, since it is smaller than the sum of its proper divisors (71761204).

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

65237420 is a wasteful number, since it uses less digits than its factorization.

65237420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261880 (or 3261878 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 65237420 is about 8076.9684907148. The cubic root of 65237420 is about 402.5615198585.

The spelling of 65237420 in words is "sixty-five million, two hundred thirty-seven thousand, four hundred twenty".