42670511 has 8 divisors (see below), whose sum is σ = 46732560. Its totient is φ = 38719872.

The previous prime is 42670489. The next prime is 42670519. The reversal of 42670511 is 11507624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42670511 is a prime.

It is a super-2 number, since 2×42670511² = 3641545018002242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42670519) 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, 27050 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (5841570).

Almost surely, 2^42670511 is an apocalyptic number.

42670511 is a deficient number, since it is larger than the sum of its proper divisors (4062049).

42670511 is a wasteful number, since it uses less digits than its factorization.

42670511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55705.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 42670511 is about 6532.2669112644. The cubic root of 42670511 is about 349.4426803746.

The spelling of 42670511 in words is "forty-two million, six hundred seventy thousand, five hundred eleven".