61752890 has 32 divisors (see below), whose sum is σ = 116603280. Its totient is φ = 23514624.

The previous prime is 61752883. The next prime is 61752941. The reversal of 61752890 is 9825716.

It can be written as a sum of positive squares in 8 ways, for example, as 50737129 + 11015761 = 7123^2 + 3319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19712 + ... + 22628.

Almost surely, 2^61752890 is an apocalyptic number.

61752890 is a deficient number, since it is larger than the sum of its proper divisors (54850390).

61752890 is a wasteful number, since it uses less digits than its factorization.

61752890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 61752890 is about 7858.3007068959. The cubic root of 61752890 is about 395.2626357816.

The spelling of 61752890 in words is "sixty-one million, seven hundred fifty-two thousand, eight hundred ninety".