73438379 has 16 divisors (see below), whose sum is σ = 87851520. Its totient is φ = 60023040.

The previous prime is 73438373. The next prime is 73438381. The reversal of 73438379 is 97383437.

It is not a de Polignac number, because 73438379 - 2¹⁶ = 73372843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73438373) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 78587 + ... + 79515.

It is an arithmetic number, because the mean of its divisors is an integer number (5490720).

Almost surely, 2^73438379 is an apocalyptic number.

73438379 is a deficient number, since it is larger than the sum of its proper divisors (14413141).

73438379 is a wasteful number, since it uses less digits than its factorization.

73438379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its digits is 381024, while the sum is 44.

The square root of 73438379 is about 8569.6195364789. The cubic root of 73438379 is about 418.7688416858.

The spelling of 73438379 in words is "seventy-three million, four hundred thirty-eight thousand, three hundred seventy-nine".