42747022 has 4 divisors (see below), whose sum is σ = 64120536. Its totient is φ = 21373510.

The previous prime is 42746971. The next prime is 42747037. The reversal of 42747022 is 22074724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10686754 + ... + 10686757.

It is an arithmetic number, because the mean of its divisors is an integer number (16030134).

Almost surely, 2^42747022 is an apocalyptic number.

42747022 is a deficient number, since it is larger than the sum of its proper divisors (21373514).

42747022 is a wasteful number, since it uses less digits than its factorization.

42747022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21373513.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 42747022 is about 6538.1206779930. The cubic root of 42747022 is about 349.6514134807.

The spelling of 42747022 in words is "forty-two million, seven hundred forty-seven thousand, twenty-two".