87305074 has 8 divisors (see below), whose sum is σ = 131038380. Its totient is φ = 43625616.

The previous prime is 87305069. The next prime is 87305077. The reversal of 87305074 is 47050378.

It can be written as a sum of positive squares in 2 ways, for example, as 81090025 + 6215049 = 9005^2 + 2493^2 .

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

It is a super-2 number, since 2×87305074² = 15244351892290952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87305077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9129 + ... + 16060.

Almost surely, 2^87305074 is an apocalyptic number.

87305074 is a deficient number, since it is larger than the sum of its proper divisors (43733306).

87305074 is a wasteful number, since it uses less digits than its factorization.

87305074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26924.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 87305074 is about 9343.7184246958. The cubic root of 87305074 is about 443.6220880020.

The spelling of 87305074 in words is "eighty-seven million, three hundred five thousand, seventy-four".