62721064 has 16 divisors (see below), whose sum is σ = 134402400. Its totient is φ = 26880432.

The previous prime is 62721049. The next prime is 62721067. The reversal of 62721064 is 46012726.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (62721067) 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, 559954 + ... + 560065.

It is an arithmetic number, because the mean of its divisors is an integer number (8400150).

Almost surely, 2^62721064 is an apocalyptic number.

It is an amenable number.

62721064 is an abundant number, since it is smaller than the sum of its proper divisors (71681336).

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

62721064 is a wasteful number, since it uses less digits than its factorization.

62721064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120032 (or 1120028 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 62721064 is about 7919.6631241487. The cubic root of 62721064 is about 397.3176020627.

The spelling of 62721064 in words is "sixty-two million, seven hundred twenty-one thousand, sixty-four".