61075744 has 12 divisors (see below), whose sum is σ = 120242934. Its totient is φ = 30537856.

The previous prime is 61075727. The next prime is 61075753. The reversal of 61075744 is 44757016.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 48400 = 7812^2 + 220^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954277 + ... + 954340.

Almost surely, 2^61075744 is an apocalyptic number.

It is an amenable number.

61075744 is a deficient number, since it is larger than the sum of its proper divisors (59167190).

61075744 is a wasteful number, since it uses less digits than its factorization.

61075744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908627 (or 1908619 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 61075744 is about 7815.0971842966. The cubic root of 61075744 is about 393.8125831825.

The spelling of 61075744 in words is "sixty-one million, seventy-five thousand, seven hundred forty-four".