42737361 has 4 divisors (see below), whose sum is σ = 56983152. Its totient is φ = 28491572.

The previous prime is 42737353. The next prime is 42737363. The reversal of 42737361 is 16373724.

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 42737361 - 2³ = 42737353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42737363) 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, 7122891 + ... + 7122896.

It is an arithmetic number, because the mean of its divisors is an integer number (14245788).

Almost surely, 2^42737361 is an apocalyptic number.

It is an amenable number.

42737361 is a deficient number, since it is larger than the sum of its proper divisors (14245791).

42737361 is a wasteful number, since it uses less digits than its factorization.

42737361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14245790.

The product of its digits is 21168, while the sum is 33.

The square root of 42737361 is about 6537.3818153753. The cubic root of 42737361 is about 349.6250706179.

The spelling of 42737361 in words is "forty-two million, seven hundred thirty-seven thousand, three hundred sixty-one".