42530761 has 8 divisors (see below), whose sum is σ = 52345664. Its totient is φ = 33650640.

The previous prime is 42530743. The next prime is 42530779. The reversal of 42530761 is 16703524.

It is an interprime number because it is at equal distance from previous prime (42530743) and next prime (42530779).

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 42530761 - 2⁹ = 42530249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42530701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233595 + ... + 233776.

It is an arithmetic number, because the mean of its divisors is an integer number (6543208).

Almost surely, 2^42530761 is an apocalyptic number.

It is an amenable number.

42530761 is a deficient number, since it is larger than the sum of its proper divisors (9814903).

42530761 is a wasteful number, since it uses less digits than its factorization.

42530761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467391.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42530761 is about 6521.5612394579. The cubic root of 42530761 is about 349.0607770935.

The spelling of 42530761 in words is "forty-two million, five hundred thirty thousand, seven hundred sixty-one".