72043626 has 16 divisors (see below), whose sum is σ = 146238624. Its totient is φ = 23655984.

The previous prime is 72043607. The next prime is 72043667. The reversal of 72043626 is 62634027.

It is a junction number, because it is equal to n+sod(n) for n = 72043593 and 72043602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89205 + ... + 90008.

It is an arithmetic number, because the mean of its divisors is an integer number (9139914).

Almost surely, 2^72043626 is an apocalyptic number.

72043626 is an abundant number, since it is smaller than the sum of its proper divisors (74194998).

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

72043626 is a wasteful number, since it uses less digits than its factorization.

72043626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179285.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 72043626 is about 8487.8516716540. The cubic root of 72043626 is about 416.1007714760.

The spelling of 72043626 in words is "seventy-two million, forty-three thousand, six hundred twenty-six".