61822874 has 8 divisors (see below), whose sum is σ = 92949780. Its totient is φ = 30839616.

The previous prime is 61822823. The next prime is 61822877. The reversal of 61822874 is 47822816.

It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 1092025 = 7793^2 + 1045^2 .

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 (61822877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34829 + ... + 36560.

Almost surely, 2^61822874 is an apocalyptic number.

61822874 is a deficient number, since it is larger than the sum of its proper divisors (31126906).

61822874 is a wasteful number, since it uses less digits than its factorization.

61822874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71824.

The product of its digits is 43008, while the sum is 38.

The square root of 61822874 is about 7862.7523170961. The cubic root of 61822874 is about 395.4118952854.

The spelling of 61822874 in words is "sixty-one million, eight hundred twenty-two thousand, eight hundred seventy-four".