68906601 has 9 divisors (see below), whose sum is σ = 99567741. Its totient is φ = 45921132.

The previous prime is 68906599. The next prime is 68906603. The reversal of 68906601 is 10660986.

The square root of 68906601 is 8301.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (68906599) and next prime (68906603).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 68906601 - 2¹ = 68906599 is a prime.

It is a super-2 number, since 2×68906601² = 9496239322746402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68906603) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23520 + ... + 26286.

Almost surely, 2^68906601 is an apocalyptic number.

68906601 is the 8301-st square number.

68906601 is the 4151-st centered octagonal number.

It is an amenable number.

68906601 is a deficient number, since it is larger than the sum of its proper divisors (30661140).

68906601 is an frugal number, since it uses more digits than its factorization.

68906601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The cubic root of 68906601 is about 409.9714455624.

Multiplying 68906601 by its sum of digits (36), we get a square (2480637636 = 49806²).

The spelling of 68906601 in words is "sixty-eight million, nine hundred six thousand, six hundred one".