61748433 has 8 divisors (see below), whose sum is σ = 91479200. Its totient is φ = 41165604.

The previous prime is 61748429. The next prime is 61748443. The reversal of 61748433 is 33484716.

61748433 is a `hidden beast` number, since 617 + 4 + 8 + 4 + 33 = 666.

It is not a de Polignac number, because 61748433 - 2² = 61748429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61748413) 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, 1143463 + ... + 1143516.

It is an arithmetic number, because the mean of its divisors is an integer number (11434900).

Almost surely, 2^61748433 is an apocalyptic number.

It is an amenable number.

61748433 is a deficient number, since it is larger than the sum of its proper divisors (29730767).

61748433 is a wasteful number, since it uses less digits than its factorization.

61748433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286988 (or 2286982 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 61748433 is about 7858.0171162959. The cubic root of 61748433 is about 395.2531262242.

The spelling of 61748433 in words is "sixty-one million, seven hundred forty-eight thousand, four hundred thirty-three".