872735722 has 8 divisors (see below), whose sum is σ = 1310748516. Its totient is φ = 435819552.

The previous prime is 872735719. The next prime is 872735737. The reversal of 872735722 is 227537278.

It can be written as a sum of positive squares in 2 ways, for example, as 863243161 + 9492561 = 29381^2 + 3081^2 .

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

It is a super-2 number, since 2×872735722² = 1523335280909722568, which contains 22 as substring.

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, 272163 + ... + 275350.

Almost surely, 2^872735722 is an apocalyptic number.

872735722 is a deficient number, since it is larger than the sum of its proper divisors (438012794).

872735722 is a wasteful number, since it uses less digits than its factorization.

872735722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548312.

The product of its digits is 329280, while the sum is 43.

The square root of 872735722 is about 29542.1008393107. The cubic root of 872735722 is about 955.6398486113.

The spelling of 872735722 in words is "eight hundred seventy-two million, seven hundred thirty-five thousand, seven hundred twenty-two".