61217026 has 8 divisors (see below), whose sum is σ = 98889084. Its totient is φ = 28254000.

The previous prime is 61217011. The next prime is 61217027. The reversal of 61217026 is 62071216.

It can be written as a sum of positive squares in 2 ways, for example, as 54007801 + 7209225 = 7349^2 + 2685^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61217027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177225 + ... + 1177276.

Almost surely, 2^61217026 is an apocalyptic number.

61217026 is a deficient number, since it is larger than the sum of its proper divisors (37672058).

61217026 is a wasteful number, since it uses less digits than its factorization.

61217026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354516.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 61217026 is about 7824.1310060607. The cubic root of 61217026 is about 394.1160085099.

The spelling of 61217026 in words is "sixty-one million, two hundred seventeen thousand, twenty-six".