61426793 has 4 divisors (see below), whose sum is σ = 61466580. Its totient is φ = 61387008.

The previous prime is 61426787. The next prime is 61426819. The reversal of 61426793 is 39762416.

61426793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32126224 + 29300569 = 5668^2 + 5413^2 .

It is a cyclic number.

It is not a de Polignac number, because 61426793 - 2⁴ = 61426777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61426193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17480 + ... + 20697.

It is an arithmetic number, because the mean of its divisors is an integer number (15366645).

Almost surely, 2^61426793 is an apocalyptic number.

It is an amenable number.

61426793 is a deficient number, since it is larger than the sum of its proper divisors (39787).

61426793 is a wasteful number, since it uses less digits than its factorization.

61426793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39786.

The product of its digits is 54432, while the sum is 38.

The square root of 61426793 is about 7837.5246730074. The cubic root of 61426793 is about 394.5656562011.

The spelling of 61426793 in words is "sixty-one million, four hundred twenty-six thousand, seven hundred ninety-three".