87324073 has 4 divisors (see below), whose sum is σ = 89182080. Its totient is φ = 85466068.

The previous prime is 87324067. The next prime is 87324079. The reversal of 87324073 is 37042378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (87324067) and next prime (87324079).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87324073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87324079) 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, 928933 + ... + 929026.

It is an arithmetic number, because the mean of its divisors is an integer number (22295520).

Almost surely, 2^87324073 is an apocalyptic number.

It is an amenable number.

87324073 is a deficient number, since it is larger than the sum of its proper divisors (1858007).

87324073 is a wasteful number, since it uses less digits than its factorization.

87324073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858006.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 87324073 is about 9344.7350417227. The cubic root of 87324073 is about 443.6542654550.

The spelling of 87324073 in words is "eighty-seven million, three hundred twenty-four thousand, seventy-three".