42765737 has 8 divisors (see below), whose sum is σ = 49704000. Its totient is φ = 36034704.

The previous prime is 42765733. The next prime is 42765739. The reversal of 42765737 is 73756724.

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 42765737 - 2² = 42765733 is a prime.

It is a super-2 number, since 2×42765737² = 3657816522306338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42765694 and 42765703.

It is not an unprimeable number, because it can be changed into a prime (42765731) 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, 51362 + ... + 52187.

It is an arithmetic number, because the mean of its divisors is an integer number (6213000).

Almost surely, 2^42765737 is an apocalyptic number.

It is an amenable number.

42765737 is a deficient number, since it is larger than the sum of its proper divisors (6938263).

42765737 is a wasteful number, since it uses less digits than its factorization.

42765737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103615.

The product of its digits is 246960, while the sum is 41.

The square root of 42765737 is about 6539.5517430478. The cubic root of 42765737 is about 349.7024327967.

The spelling of 42765737 in words is "forty-two million, seven hundred sixty-five thousand, seven hundred thirty-seven".