61447338 has 12 divisors (see below), whose sum is σ = 133135938. Its totient is φ = 20482440.

The previous prime is 61447327. The next prime is 61447339. The reversal of 61447338 is 83374416.

61447338 is a `hidden beast` number, since 614 + 4 + 7 + 3 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42810849 + 18636489 = 6543^2 + 4317^2 .

It is not an unprimeable number, because it can be changed into a prime (61447339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1706853 + ... + 1706888.

Almost surely, 2^61447338 is an apocalyptic number.

61447338 is an abundant number, since it is smaller than the sum of its proper divisors (71688600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61447338 is a wasteful number, since it uses less digits than its factorization.

61447338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413749 (or 3413746 counting only the distinct ones).

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

The square root of 61447338 is about 7838.8352451114. The cubic root of 61447338 is about 394.6096405246.

It can be divided in two parts, 6 and 1447338, that multiplied together give a triangular number (8684028 = T₄₁₆₇).

The spelling of 61447338 in words is "sixty-one million, four hundred forty-seven thousand, three hundred thirty-eight".