61047944 has 16 divisors (see below), whose sum is σ = 116625420. Its totient is φ = 29947840.

The previous prime is 61047937. The next prime is 61047967. The reversal of 61047944 is 44974016.

It can be written as a sum of positive squares in 2 ways, for example, as 59752900 + 1295044 = 7730^2 + 1138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71567 + ... + 72414.

Almost surely, 2^61047944 is an apocalyptic number.

It is an amenable number.

61047944 is a deficient number, since it is larger than the sum of its proper divisors (55577476).

61047944 is a wasteful number, since it uses less digits than its factorization.

61047944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144040 (or 144036 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 61047944 is about 7813.3183731370. The cubic root of 61047944 is about 393.7528232266.

The spelling of 61047944 in words is "sixty-one million, forty-seven thousand, nine hundred forty-four".