87080730 has 32 divisors (see below), whose sum is σ = 227994048. Its totient is φ = 21110400.

The previous prime is 87080717. The next prime is 87080731. The reversal of 87080730 is 3708078.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 87080691 and 87080700.

It is not an unprimeable number, because it can be changed into a prime (87080731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131611 + ... + 132270.

It is an arithmetic number, because the mean of its divisors is an integer number (7124814).

Almost surely, 2^87080730 is an apocalyptic number.

87080730 is an abundant number, since it is smaller than the sum of its proper divisors (140913318).

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

87080730 is a wasteful number, since it uses less digits than its factorization.

87080730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263902.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 87080730 is about 9331.7056318767. The cubic root of 87080730 is about 443.2417766849.

The spelling of 87080730 in words is "eighty-seven million, eighty thousand, seven hundred thirty".