62640132 has 48 divisors (see below), whose sum is σ = 154654080. Its totient is φ = 19692288.

The previous prime is 62640091. The next prime is 62640133. The reversal of 62640132 is 23104626.

It is a super-2 number, since 2×62640132² = 7847572273954848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (62640133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18594 + ... + 21702.

It is an arithmetic number, because the mean of its divisors is an integer number (3221960).

Almost surely, 2^62640132 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 62640132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77327040).

62640132 is an abundant number, since it is smaller than the sum of its proper divisors (92013948).

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

62640132 is a wasteful number, since it uses less digits than its factorization.

62640132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 62640132 is about 7914.5519140378. The cubic root of 62640132 is about 397.1466358475.

Adding to 62640132 its reverse (23104626), we get a palindrome (85744758).

The spelling of 62640132 in words is "sixty-two million, six hundred forty thousand, one hundred thirty-two".