870236742 has 16 divisors (see below), whose sum is σ = 1741334832. Its totient is φ = 289935360.

The previous prime is 870236729. The next prime is 870236747. The reversal of 870236742 is 247632078.

It is a self number, because there is not a number n which added to its sum of digits gives 870236742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870236747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22363 + ... + 47334.

It is an arithmetic number, because the mean of its divisors is an integer number (108833427).

Almost surely, 2^870236742 is an apocalyptic number.

870236742 is an abundant number, since it is smaller than the sum of its proper divisors (871098090).

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

870236742 is a wasteful number, since it uses less digits than its factorization.

870236742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71783.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 870236742 is about 29499.7752872797. The cubic root of 870236742 is about 954.7268544419.

The spelling of 870236742 in words is "eight hundred seventy million, two hundred thirty-six thousand, seven hundred forty-two".