42461761 has 4 divisors (see below), whose sum is σ = 42489792. Its totient is φ = 42433732.

The previous prime is 42461759. The next prime is 42461777. The reversal of 42461761 is 16716424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42461761 - 2¹ = 42461759 is a prime.

It is a super-2 number, since 2×42461761² = 3606002294442242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42461701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11605 + ... + 14818.

It is an arithmetic number, because the mean of its divisors is an integer number (10622448).

Almost surely, 2^42461761 is an apocalyptic number.

It is an amenable number.

42461761 is a deficient number, since it is larger than the sum of its proper divisors (28031).

42461761 is a wasteful number, since it uses less digits than its factorization.

42461761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28030.

The product of its digits is 8064, while the sum is 31.

The square root of 42461761 is about 6516.2689477952. The cubic root of 42461761 is about 348.8719080670.

It can be divided in two parts, 4 and 2461761, that multiplied together give a square (9847044 = 3138²).

The spelling of 42461761 in words is "forty-two million, four hundred sixty-one thousand, seven hundred sixty-one".