87673743 has 12 divisors (see below), whose sum is σ = 134089488. Its totient is φ = 55010880.

The previous prime is 87673727. The next prime is 87673759. The reversal of 87673743 is 34737678.

It is an interprime number because it is at equal distance from previous prime (87673727) and next prime (87673759).

It is not a de Polignac number, because 87673743 - 2⁴ = 87673727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87673763) 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, 286363 + ... + 286668.

It is an arithmetic number, because the mean of its divisors is an integer number (11174124).

Almost surely, 2^87673743 is an apocalyptic number.

87673743 is a deficient number, since it is larger than the sum of its proper divisors (46415745).

87673743 is a wasteful number, since it uses less digits than its factorization.

87673743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573054 (or 573051 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 87673743 is about 9363.4258153733. The cubic root of 87673743 is about 444.2456487026.

The spelling of 87673743 in words is "eighty-seven million, six hundred seventy-three thousand, seven hundred forty-three".