42764487 has 16 divisors (see below), whose sum is σ = 57953280. Its totient is φ = 28046592.

The previous prime is 42764483. The next prime is 42764539. The reversal of 42764487 is 78446724.

It is not a de Polignac number, because 42764487 - 2² = 42764483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42764483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64564 + ... + 65222.

It is an arithmetic number, because the mean of its divisors is an integer number (3622080).

Almost surely, 2^42764487 is an apocalyptic number.

42764487 is a deficient number, since it is larger than the sum of its proper divisors (15188793).

42764487 is a wasteful number, since it uses less digits than its factorization.

42764487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its digits is 301056, while the sum is 42.

The square root of 42764487 is about 6539.4561700496. The cubic root of 42764487 is about 349.6990256120.

The spelling of 42764487 in words is "forty-two million, seven hundred sixty-four thousand, four hundred eighty-seven".