87347290 has 8 divisors (see below), whose sum is σ = 157225140. Its totient is φ = 34938912.

The previous prime is 87347287. The next prime is 87347311. The reversal of 87347290 is 9274378.

It can be written as a sum of positive squares in 2 ways, for example, as 79512889 + 7834401 = 8917^2 + 2799^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4367355 + ... + 4367374.

Almost surely, 2^87347290 is an apocalyptic number.

87347290 is a deficient number, since it is larger than the sum of its proper divisors (69877850).

87347290 is a wasteful number, since it uses less digits than its factorization.

87347290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734736.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 87347290 is about 9345.9772094736. The cubic root of 87347290 is about 443.6935803427.

The spelling of 87347290 in words is "eighty-seven million, three hundred forty-seven thousand, two hundred ninety".