745224426 has 48 divisors (see below), whose sum is σ = 1742981760. Its totient is φ = 229410720.

The previous prime is 745224409. The next prime is 745224481. The reversal of 745224426 is 624422547.

745224426 is a `hidden beast` number, since 7 + 4 + 5 + 224 + 426 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19030 + ... + 43041.

It is an arithmetic number, because the mean of its divisors is an integer number (36312120).

Almost surely, 2^745224426 is an apocalyptic number.

745224426 is an abundant number, since it is smaller than the sum of its proper divisors (997757334).

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

745224426 is a wasteful number, since it uses less digits than its factorization.

745224426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62131 (or 62128 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 745224426 is about 27298.7989845707. The cubic root of 745224426 is about 906.6277902580.

It can be divided in two parts, 7452 and 24426, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 745224426 in words is "seven hundred forty-five million, two hundred twenty-four thousand, four hundred twenty-six".