73270438 has 16 divisors (see below), whose sum is σ = 111849984. Its totient is φ = 35990920.

The previous prime is 73270399. The next prime is 73270447. The reversal of 73270438 is 83407237.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 48531 + ... + 50017.

It is an arithmetic number, because the mean of its divisors is an integer number (6990624).

Almost surely, 2^73270438 is an apocalyptic number.

73270438 is a deficient number, since it is larger than the sum of its proper divisors (38579546).

73270438 is a wasteful number, since it uses less digits than its factorization.

73270438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 73270438 is about 8559.8153017457. The cubic root of 73270438 is about 418.4493804952.

The spelling of 73270438 in words is "seventy-three million, two hundred seventy thousand, four hundred thirty-eight".