61422827 has 4 divisors (see below), whose sum is σ = 61734816. Its totient is φ = 61110840.

The previous prime is 61422799. The next prime is 61422863. The reversal of 61422827 is 72822416.

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

It is a cyclic number.

It is not a de Polignac number, because 61422827 - 2¹⁶ = 61357291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61422793 and 61422802.

It is not an unprimeable number, because it can be changed into a prime (61422527) 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, 155699 + ... + 156092.

It is an arithmetic number, because the mean of its divisors is an integer number (15433704).

Almost surely, 2^61422827 is an apocalyptic number.

61422827 is a deficient number, since it is larger than the sum of its proper divisors (311989).

61422827 is a wasteful number, since it uses less digits than its factorization.

61422827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311988.

The product of its digits is 10752, while the sum is 32.

The square root of 61422827 is about 7837.2716553658. The cubic root of 61422827 is about 394.5571643525.

The spelling of 61422827 in words is "sixty-one million, four hundred twenty-two thousand, eight hundred twenty-seven".