61240756 has 12 divisors (see below), whose sum is σ = 108276868. Its totient is φ = 30304512.

The previous prime is 61240727. The next prime is 61240769. The reversal of 61240756 is 65704216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44675856 + 16564900 = 6684^2 + 4070^2 .

It is a congruent number.

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, 78531 + ... + 79306.

Almost surely, 2^61240756 is an apocalyptic number.

It is an amenable number.

61240756 is a deficient number, since it is larger than the sum of its proper divisors (47036112).

61240756 is a wasteful number, since it uses less digits than its factorization.

61240756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157938 (or 157936 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 61240756 is about 7825.6473214680. The cubic root of 61240756 is about 394.1669266139.

The spelling of 61240756 in words is "sixty-one million, two hundred forty thousand, seven hundred fifty-six".