42761187 has 12 divisors (see below), whose sum is σ = 70590000. Its totient is φ = 24434928.

The previous prime is 42761179. The next prime is 42761197. The reversal of 42761187 is 78116724.

It is not a de Polignac number, because 42761187 - 2³ = 42761179 is a prime.

It is a super-2 number, since 2×42761187² = 3657038227297938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42761197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339312 + ... + 339437.

It is an arithmetic number, because the mean of its divisors is an integer number (5882500).

Almost surely, 2^42761187 is an apocalyptic number.

42761187 is a deficient number, since it is larger than the sum of its proper divisors (27828813).

42761187 is a wasteful number, since it uses less digits than its factorization.

42761187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678762 (or 678759 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 42761187 is about 6539.2038506228. The cubic root of 42761187 is about 349.6900303252.

The spelling of 42761187 in words is "forty-two million, seven hundred sixty-one thousand, one hundred eighty-seven".