65120604 has 12 divisors (see below), whose sum is σ = 151948104. Its totient is φ = 21706864.

The previous prime is 65120603. The next prime is 65120639. The reversal of 65120604 is 40602156.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65120603) 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, 2713347 + ... + 2713370.

It is an arithmetic number, because the mean of its divisors is an integer number (12662342).

Almost surely, 2^65120604 is an apocalyptic number.

It is an amenable number.

65120604 is an abundant number, since it is smaller than the sum of its proper divisors (86827500).

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

65120604 is a wasteful number, since it uses less digits than its factorization.

65120604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426724 (or 5426722 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 65120604 is about 8069.7338246066. The cubic root of 65120604 is about 402.3210968879.

The spelling of 65120604 in words is "sixty-five million, one hundred twenty thousand, six hundred four".