872210745 has 24 divisors (see below), whose sum is σ = 1727808576. Its totient is φ = 398724768.

The previous prime is 872210741. The next prime is 872210749. The reversal of 872210745 is 547012278.

It is an interprime number because it is at equal distance from previous prime (872210741) and next prime (872210749).

It is not a de Polignac number, because 872210745 - 2² = 872210741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872210741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1384147 + ... + 1384776.

It is an arithmetic number, because the mean of its divisors is an integer number (71992024).

Almost surely, 2^872210745 is an apocalyptic number.

It is an amenable number.

872210745 is a deficient number, since it is larger than the sum of its proper divisors (855597831).

872210745 is a wasteful number, since it uses less digits than its factorization.

872210745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768941 (or 2768938 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 872210745 is about 29533.2142680068. The cubic root of 872210745 is about 955.4481947290.

The spelling of 872210745 in words is "eight hundred seventy-two million, two hundred ten thousand, seven hundred forty-five".