62313721 has 8 divisors (see below), whose sum is σ = 68254920. Its totient is φ = 56625408.

The previous prime is 62313707. The next prime is 62313731. The reversal of 62313721 is 12731326.

It can be written as a sum of positive squares in 4 ways, for example, as 9954025 + 52359696 = 3155^2 + 7236^2 .

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 62313721 - 2⁷ = 62313593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62313731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62706 + ... + 63691.

It is an arithmetic number, because the mean of its divisors is an integer number (8531865).

Almost surely, 2^62313721 is an apocalyptic number.

It is an amenable number.

62313721 is a deficient number, since it is larger than the sum of its proper divisors (5941199).

62313721 is a wasteful number, since it uses less digits than its factorization.

62313721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126443.

The product of its digits is 1512, while the sum is 25.

The square root of 62313721 is about 7893.9040404606. The cubic root of 62313721 is about 396.4556046696.

The spelling of 62313721 in words is "sixty-two million, three hundred thirteen thousand, seven hundred twenty-one".