42764671 has 4 divisors (see below), whose sum is σ = 43279992. Its totient is φ = 42249352.

The previous prime is 42764663. The next prime is 42764699. The reversal of 42764671 is 17646724.

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

It is a cyclic number.

It is not a de Polignac number, because 42764671 - 2³ = 42764663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42764671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42764651) 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, 257536 + ... + 257701.

It is an arithmetic number, because the mean of its divisors is an integer number (10819998).

Almost surely, 2^42764671 is an apocalyptic number.

42764671 is a deficient number, since it is larger than the sum of its proper divisors (515321).

42764671 is an equidigital number, since it uses as much as digits as its factorization.

42764671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515320.

The product of its digits is 56448, while the sum is 37.

The square root of 42764671 is about 6539.4702384826. The cubic root of 42764671 is about 349.6995271537.

The spelling of 42764671 in words is "forty-two million, seven hundred sixty-four thousand, six hundred seventy-one".