62616681 has 12 divisors (see below), whose sum is σ = 90776452. Its totient is φ = 41592096.

The previous prime is 62616679. The next prime is 62616703. The reversal of 62616681 is 18661626.

It can be written as a sum of positive squares in 2 ways, for example, as 23040000 + 39576681 = 4800^2 + 6291^2 .

It is not a de Polignac number, because 62616681 - 2¹ = 62616679 is a prime.

It is a super-2 number, since 2×62616681² = 7841697478911522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (62616601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10066 + ... + 15051.

Almost surely, 2^62616681 is an apocalyptic number.

It is an amenable number.

62616681 is a deficient number, since it is larger than the sum of its proper divisors (28159771).

62616681 is a wasteful number, since it uses less digits than its factorization.

62616681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25400 (or 25397 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 62616681 is about 7913.0702638104. The cubic root of 62616681 is about 397.0970688583.

The spelling of 62616681 in words is "sixty-two million, six hundred sixteen thousand, six hundred eighty-one".