73438011 has 48 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 42915840.

The previous prime is 73438003. The next prime is 73438031. The reversal of 73438011 is 11083437.

It is not a de Polignac number, because 73438011 - 2³ = 73438003 is a prime.

It is a super-2 number, since 2×73438011² = 10786282919272242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73438031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144025 + ... + 144533.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^73438011 is an apocalyptic number.

73438011 is the 4581-st nonagonal number.

73438011 is a deficient number, since it is larger than the sum of its proper divisors (46856709).

73438011 is a wasteful number, since it uses less digits than its factorization.

73438011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 73438011 is about 8569.5980652537. The cubic root of 73438011 is about 418.7681422005.

The spelling of 73438011 in words is "seventy-three million, four hundred thirty-eight thousand, eleven".