65477436 has 12 divisors (see below), whose sum is σ = 152780712. Its totient is φ = 21825808.

The previous prime is 65477431. The next prime is 65477441. The reversal of 65477436 is 63477456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65477431) and next prime (65477441).

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 (65477431) 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, 2728215 + ... + 2728238.

It is an arithmetic number, because the mean of its divisors is an integer number (12731726).

Almost surely, 2^65477436 is an apocalyptic number.

It is an amenable number.

65477436 is an abundant number, since it is smaller than the sum of its proper divisors (87303276).

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

65477436 is a wasteful number, since it uses less digits than its factorization.

65477436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456460 (or 5456458 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 65477436 is about 8091.8128994682. The cubic root of 65477436 is about 403.0546057482.

The spelling of 65477436 in words is "sixty-five million, four hundred seventy-seven thousand, four hundred thirty-six".