870807274 has 4 divisors (see below), whose sum is σ = 1306210914. Its totient is φ = 435403636.

The previous prime is 870807253. The next prime is 870807277. The reversal of 870807274 is 472708078.

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., 869837049 + 970225 = 29493^2 + 985^2 .

It is a super-3 number, since 3×870807274³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 870807274.

It is not an unprimeable number, because it can be changed into a prime (870807277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217701817 + ... + 217701820.

Almost surely, 2^870807274 is an apocalyptic number.

870807274 is a deficient number, since it is larger than the sum of its proper divisors (435403640).

870807274 is a wasteful number, since it uses less digits than its factorization.

870807274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435403639.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 870807274 is about 29509.4438104143. The cubic root of 870807274 is about 954.9354502573.

The spelling of 870807274 in words is "eight hundred seventy million, eight hundred seven thousand, two hundred seventy-four".