42420747773 has 8 divisors (see below), whose sum is σ = 42523752960. Its totient is φ = 42317795520.

The previous prime is 42420747769. The next prime is 42420747827. The reversal of 42420747773 is 37774702424.

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 42420747773 - 2² = 42420747769 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 (42420747973) 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, 1931333 + ... + 1953173.

It is an arithmetic number, because the mean of its divisors is an integer number (5315469120).

Almost surely, 2^42420747773 is an apocalyptic number.

It is an amenable number.

42420747773 is a deficient number, since it is larger than the sum of its proper divisors (103005187).

42420747773 is a wasteful number, since it uses less digits than its factorization.

42420747773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26467.

The product of its (nonzero) digits is 1843968, while the sum is 47.

The spelling of 42420747773 in words is "forty-two billion, four hundred twenty million, seven hundred forty-seven thousand, seven hundred seventy-three".