42687910 has 8 divisors (see below), whose sum is σ = 76838256. Its totient is φ = 17075160.

The previous prime is 42687893. The next prime is 42687917. The reversal of 42687910 is 1978624.

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

It is a super-3 number, since 3×42687910³ (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42687910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42687917) 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, 2134386 + ... + 2134405.

It is an arithmetic number, because the mean of its divisors is an integer number (9604782).

Almost surely, 2^42687910 is an apocalyptic number.

42687910 is a deficient number, since it is larger than the sum of its proper divisors (34150346).

42687910 is a wasteful number, since it uses less digits than its factorization.

42687910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268798.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 42687910 is about 6533.5985490387. The cubic root of 42687910 is about 349.4901692756.

The spelling of 42687910 in words is "forty-two million, six hundred eighty-seven thousand, nine hundred ten".