62421540 has 48 divisors (see below), whose sum is σ = 182383488. Its totient is φ = 15921664.

The previous prime is 62421533. The next prime is 62421551. The reversal of 62421540 is 4512426.

62421540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 62421540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21237 + ... + 23996.

It is an arithmetic number, because the mean of its divisors is an integer number (3799656).

Almost surely, 2^62421540 is an apocalyptic number.

62421540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

62421540 is an abundant number, since it is smaller than the sum of its proper divisors (119961948).

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

62421540 is a wasteful number, since it uses less digits than its factorization.

62421540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45268 (or 45266 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 62421540 is about 7900.7303459870. The cubic root of 62421540 is about 396.6841301384.

Adding to 62421540 its reverse (4512426), we get a palindrome (66933966).

The spelling of 62421540 in words is "sixty-two million, four hundred twenty-one thousand, five hundred forty".