726170445 has 240 divisors, whose sum is σ = 1761806592. Its totient is φ = 272643840.

The previous prime is 726170429. The next prime is 726170447. The reversal of 726170445 is 544071627.

It is not a de Polignac number, because 726170445 - 2⁴ = 726170429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726170447) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 15450412 + ... + 15450458.

Almost surely, 2^726170445 is an apocalyptic number.

It is an amenable number.

726170445 is an abundant number, since it is smaller than the sum of its proper divisors (1035636147).

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

726170445 is a wasteful number, since it uses less digits than its factorization.

726170445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 726170445 is about 26947.5498886262. The cubic root of 726170445 is about 898.8340642751.

It can be divided in two parts, 726170 and 445, that added together give a triangular number (726615 = T₁₂₀₅).

The spelling of 726170445 in words is "seven hundred twenty-six million, one hundred seventy thousand, four hundred forty-five".