42617070 has 32 divisors (see below), whose sum is σ = 113646240. Its totient is φ = 11364480.

The previous prime is 42617059. The next prime is 42617083. The reversal of 42617070 is 7071624.

42617070 is a `hidden beast` number, since 42 + 617 + 0 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78651 + ... + 79190.

It is an arithmetic number, because the mean of its divisors is an integer number (3551445).

Almost surely, 2^42617070 is an apocalyptic number.

42617070 is an abundant number, since it is smaller than the sum of its proper divisors (71029170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42617070 is a wasteful number, since it uses less digits than its factorization.

42617070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157857 (or 157851 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 42617070 is about 6528.1750895637. The cubic root of 42617070 is about 349.2967375260.

Adding to 42617070 its reverse (7071624), we get a palindrome (49688694).

The spelling of 42617070 in words is "forty-two million, six hundred seventeen thousand, seventy".