61949474 has 8 divisors (see below), whose sum is σ = 94677660. Its totient is φ = 30390256.

The previous prime is 61949471. The next prime is 61949477. The reversal of 61949474 is 47494916.

It is an interprime number because it is at equal distance from previous prime (61949471) and next prime (61949477).

It can be written as a sum of positive squares in 2 ways, for example, as 59367025 + 2582449 = 7705^2 + 1607^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61949471) 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 3 ways as a sum of consecutive naturals, for example, 292109 + ... + 292320.

Almost surely, 2^61949474 is an apocalyptic number.

61949474 is a deficient number, since it is larger than the sum of its proper divisors (32728186).

61949474 is a wasteful number, since it uses less digits than its factorization.

61949474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584484.

The product of its digits is 217728, while the sum is 44.

The square root of 61949474 is about 7870.7988158763. The cubic root of 61949474 is about 395.6816175386.

The spelling of 61949474 in words is "sixty-one million, nine hundred forty-nine thousand, four hundred seventy-four".