42678701 has 4 divisors (see below), whose sum is σ = 45961692. Its totient is φ = 39395712.

The previous prime is 42678697. The next prime is 42678737. The reversal of 42678701 is 10787624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25745476 + 16933225 = 5074^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 42678701 - 2² = 42678697 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 (42678751) 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, 1641476 + ... + 1641501.

It is an arithmetic number, because the mean of its divisors is an integer number (11490423).

Almost surely, 2^42678701 is an apocalyptic number.

It is an amenable number.

42678701 is a deficient number, since it is larger than the sum of its proper divisors (3282991).

42678701 is a wasteful number, since it uses less digits than its factorization.

42678701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282990.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 42678701 is about 6532.8937692266. The cubic root of 42678701 is about 349.4650358016.

The spelling of 42678701 in words is "forty-two million, six hundred seventy-eight thousand, seven hundred one".