42687070 has 16 divisors (see below), whose sum is σ = 77701680. Its totient is φ = 16882624.

The previous prime is 42687067. The next prime is 42687077. The reversal of 42687070 is 7078624.

It is a super-3 number, since 3×42687070³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42687077) 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, 23092 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (4856355).

Almost surely, 2^42687070 is an apocalyptic number.

42687070 is a deficient number, since it is larger than the sum of its proper divisors (35014610).

42687070 is a wasteful number, since it uses less digits than its factorization.

42687070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48059.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 42687070 is about 6533.5342656177. The cubic root of 42687070 is about 349.4878768727.

The spelling of 42687070 in words is "forty-two million, six hundred eighty-seven thousand, seventy".