65432620 has 24 divisors (see below), whose sum is σ = 149900688. Its totient is φ = 23793600.

The previous prime is 65432617. The next prime is 65432623. The reversal of 65432620 is 2623456.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65432617) and next prime (65432623).

It is not an unprimeable number, because it can be changed into a prime (65432623) 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, 148491 + ... + 148930.

It is an arithmetic number, because the mean of its divisors is an integer number (6245862).

Almost surely, 2^65432620 is an apocalyptic number.

It is an amenable number.

65432620 is an abundant number, since it is smaller than the sum of its proper divisors (84468068).

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

65432620 is a wasteful number, since it uses less digits than its factorization.

65432620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297441 (or 297439 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 65432620 is about 8089.0432067087. The cubic root of 65432620 is about 402.9626279157.

The spelling of 65432620 in words is "sixty-five million, four hundred thirty-two thousand, six hundred twenty".