42760997 has 4 divisors (see below), whose sum is σ = 44140416. Its totient is φ = 41381580.

The previous prime is 42760973. The next prime is 42760999. The reversal of 42760997 is 79906724.

42760997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42760997 - 2¹⁰ = 42759973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42760999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689663 + ... + 689724.

It is an arithmetic number, because the mean of its divisors is an integer number (11035104).

Almost surely, 2^42760997 is an apocalyptic number.

It is an amenable number.

42760997 is a deficient number, since it is larger than the sum of its proper divisors (1379419).

42760997 is a wasteful number, since it uses less digits than its factorization.

42760997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379418.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 42760997 is about 6539.1893228442. The cubic root of 42760997 is about 349.6895124007.

The spelling of 42760997 in words is "forty-two million, seven hundred sixty thousand, nine hundred ninety-seven".