87361740 has 60 divisors (see below), whose sum is σ = 274062096. Its totient is φ = 23296032.

The previous prime is 87361727. The next prime is 87361741. The reversal of 87361740 is 4716378.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 87361695 and 87361704.

It is not an unprimeable number, because it can be changed into a prime (87361741) 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 19 ways as a sum of consecutive naturals, for example, 25344 + ... + 28583.

Almost surely, 2^87361740 is an apocalyptic number.

It is an amenable number.

87361740 is an abundant number, since it is smaller than the sum of its proper divisors (186700356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87361740 is a wasteful number, since it uses less digits than its factorization.

87361740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53948 (or 53937 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 87361740 is about 9346.7502373820. The cubic root of 87361740 is about 443.7180459699.

The spelling of 87361740 in words is "eighty-seven million, three hundred sixty-one thousand, seven hundred forty".