61426817 has 8 divisors (see below), whose sum is σ = 62918592. Its totient is φ = 59950800.

The previous prime is 61426787. The next prime is 61426819. The reversal of 61426817 is 71862416.

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

It is not a de Polignac number, because 61426817 - 2¹² = 61422721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61426819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4148 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (7864824).

Almost surely, 2^61426817 is an apocalyptic number.

It is an amenable number.

61426817 is a deficient number, since it is larger than the sum of its proper divisors (1491775).

61426817 is a wasteful number, since it uses less digits than its factorization.

61426817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879.

The product of its digits is 16128, while the sum is 35.

The square root of 61426817 is about 7837.5262041029. The cubic root of 61426817 is about 394.5657075878.

The spelling of 61426817 in words is "sixty-one million, four hundred twenty-six thousand, eight hundred seventeen".