156672726 has 64 divisors (see below), whose sum is σ = 376911360. Its totient is φ = 42474240.

The previous prime is 156672701. The next prime is 156672739. The reversal of 156672726 is 627276651.

156672726 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62485 + ... + 64943.

It is an arithmetic number, because the mean of its divisors is an integer number (5889240).

Almost surely, 2^156672726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156672726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188455680).

156672726 is an abundant number, since it is smaller than the sum of its proper divisors (220238634).

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

156672726 is a wasteful number, since it uses less digits than its factorization.

156672726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 211680, while the sum is 42.

The square root of 156672726 is about 12516.8976188191. The cubic root of 156672726 is about 539.0939607616.

The spelling of 156672726 in words is "one hundred fifty-six million, six hundred seventy-two thousand, seven hundred twenty-six".