68526949 has 8 divisors (see below), whose sum is σ = 74328408. Its totient is φ = 62922240.

The previous prime is 68526937. The next prime is 68526961. The reversal of 68526949 is 94962586.

It is an interprime number because it is at equal distance from previous prime (68526937) and next prime (68526961).

It can be written as a sum of positive squares in 4 ways, for example, as 5832225 + 62694724 = 2415^2 + 7918^2 .

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 68526949 - 2¹⁹ = 68002661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68526349) 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, 48462 + ... + 49855.

It is an arithmetic number, because the mean of its divisors is an integer number (9291051).

Almost surely, 2^68526949 is an apocalyptic number.

It is an amenable number.

68526949 is a deficient number, since it is larger than the sum of its proper divisors (5801459).

68526949 is a wasteful number, since it uses less digits than its factorization.

68526949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98375.

The product of its digits is 933120, while the sum is 49.

The square root of 68526949 is about 8278.1005671591. The cubic root of 68526949 is about 409.2171239721.

The spelling of 68526949 in words is "sixty-eight million, five hundred twenty-six thousand, nine hundred forty-nine".