61448379 has 8 divisors (see below), whose sum is σ = 84145680. Its totient is φ = 39858336.

The previous prime is 61448377. The next prime is 61448449. The reversal of 61448379 is 97384416.

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

It is not a de Polignac number, because 61448379 - 2¹ = 61448377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61448379.

It is not an unprimeable number, because it can be changed into a prime (61448377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276684 + ... + 276905.

It is an arithmetic number, because the mean of its divisors is an integer number (10518210).

Almost surely, 2^61448379 is an apocalyptic number.

61448379 is a deficient number, since it is larger than the sum of its proper divisors (22697301).

61448379 is a wasteful number, since it uses less digits than its factorization.

61448379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553629.

The product of its digits is 145152, while the sum is 42.

The square root of 61448379 is about 7838.9016450010. The cubic root of 61448379 is about 394.6118689169.

The spelling of 61448379 in words is "sixty-one million, four hundred forty-eight thousand, three hundred seventy-nine".