87393074 has 4 divisors (see below), whose sum is σ = 131089614. Its totient is φ = 43696536.

The previous prime is 87393049. The next prime is 87393079. The reversal of 87393074 is 47039378.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 18619225 = 8293^2 + 4315^2 .

It is not an unprimeable number, because it can be changed into a prime (87393079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21848267 + ... + 21848270.

Almost surely, 2^87393074 is an apocalyptic number.

87393074 is a deficient number, since it is larger than the sum of its proper divisors (43696540).

87393074 is a wasteful number, since it uses less digits than its factorization.

87393074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43696539.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 87393074 is about 9348.4262846749. The cubic root of 87393074 is about 443.7710890196.

The spelling of 87393074 in words is "eighty-seven million, three hundred ninety-three thousand, seventy-four".