62721012 has 24 divisors (see below), whose sum is σ = 148831200. Its totient is φ = 20552416.

The previous prime is 62720971. The next prime is 62721013. The reversal of 62721012 is 21012726.

It is a self number, because there is not a number n which added to its sum of digits gives 62721012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62721013) 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, 43587 + ... + 45002.

It is an arithmetic number, because the mean of its divisors is an integer number (6201300).

Almost surely, 2^62721012 is an apocalyptic number.

It is an amenable number.

62721012 is an abundant number, since it is smaller than the sum of its proper divisors (86110188).

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

62721012 is a wasteful number, since it uses less digits than its factorization.

62721012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88655 (or 88653 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 62721012 is about 7919.6598411800. The cubic root of 62721012 is about 397.3174922617.

Adding to 62721012 its reverse (21012726), we get a palindrome (83733738).

The spelling of 62721012 in words is "sixty-two million, seven hundred twenty-one thousand, twelve".