62716921 has 8 divisors (see below), whose sum is σ = 64819944. Its totient is φ = 60641280.

The previous prime is 62716909. The next prime is 62716933. The reversal of 62716921 is 12961726.

It is an interprime number because it is at equal distance from previous prime (62716909) and next prime (62716933).

It can be written as a sum of positive squares in 4 ways, for example, as 622521 + 62094400 = 789^2 + 7880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 62716921 - 2¹⁷ = 62585849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62716981) 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, 2136 + ... + 11401.

It is an arithmetic number, because the mean of its divisors is an integer number (8102493).

Almost surely, 2^62716921 is an apocalyptic number.

It is an amenable number.

62716921 is a deficient number, since it is larger than the sum of its proper divisors (2103023).

62716921 is a wasteful number, since it uses less digits than its factorization.

62716921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691.

The product of its digits is 9072, while the sum is 34.

The square root of 62716921 is about 7919.4015556733. The cubic root of 62716921 is about 397.3088536829.

The spelling of 62716921 in words is "sixty-two million, seven hundred sixteen thousand, nine hundred twenty-one".