870007361 has 4 divisors (see below), whose sum is σ = 907833792. Its totient is φ = 832180932.

The previous prime is 870007309. The next prime is 870007363. The reversal of 870007361 is 163700078.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163700078 = 2 ⋅81850039.

It is a cyclic number.

It is not a de Polignac number, because 870007361 - 2²⁶ = 802898497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870007363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18913181 + ... + 18913226.

It is an arithmetic number, because the mean of its divisors is an integer number (226958448).

Almost surely, 2^870007361 is an apocalyptic number.

It is an amenable number.

870007361 is a deficient number, since it is larger than the sum of its proper divisors (37826431).

870007361 is a wasteful number, since it uses less digits than its factorization.

870007361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37826430.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 870007361 is about 29495.8871878776. The cubic root of 870007361 is about 954.6429633066.

The spelling of 870007361 in words is "eight hundred seventy million, seven thousand, three hundred sixty-one".