72043794 has 24 divisors (see below), whose sum is σ = 156366912. Its totient is φ = 23972760.

The previous prime is 72043789. The next prime is 72043823. The reversal of 72043794 is 49734027.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8187 + ... + 14529.

It is an arithmetic number, because the mean of its divisors is an integer number (6515288).

Almost surely, 2^72043794 is an apocalyptic number.

72043794 is an abundant number, since it is smaller than the sum of its proper divisors (84323118).

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

72043794 is a wasteful number, since it uses less digits than its factorization.

72043794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 72043794 is about 8487.8615681454. The cubic root of 72043794 is about 416.1010949137.

The spelling of 72043794 in words is "seventy-two million, forty-three thousand, seven hundred ninety-four".