42976261 has 8 divisors (see below), whose sum is σ = 44661248. Its totient is φ = 41310000.

The previous prime is 42976243. The next prime is 42976267. The reversal of 42976261 is 16267924.

42976261 = T₁₈₉ + T₁₉₀ + ... + T₆₄₁.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42976261 - 2⁷ = 42976133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42976261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42976267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (5582656).

Almost surely, 2^42976261 is an apocalyptic number.

It is an amenable number.

42976261 is a deficient number, since it is larger than the sum of its proper divisors (1684987).

42976261 is a wasteful number, since it uses less digits than its factorization.

42976261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363.

The product of its digits is 36288, while the sum is 37.

The square root of 42976261 is about 6555.6281926296. The cubic root of 42976261 is about 350.2753234992.

The spelling of 42976261 in words is "forty-two million, nine hundred seventy-six thousand, two hundred sixty-one".