73479081 has 16 divisors (see below), whose sum is σ = 105771456. Its totient is φ = 45105216.

The previous prime is 73479073. The next prime is 73479097. The reversal of 73479081 is 18097437.

It is not a de Polignac number, because 73479081 - 2³ = 73479073 is a prime.

It is a super-2 number, since 2×73479081² = 10798350689209122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (73479031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15151 + ... + 19403.

It is an arithmetic number, because the mean of its divisors is an integer number (6610716).

Almost surely, 2^73479081 is an apocalyptic number.

It is an amenable number.

73479081 is a deficient number, since it is larger than the sum of its proper divisors (32292375).

73479081 is a wasteful number, since it uses less digits than its factorization.

73479081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 73479081 is about 8571.9939920651. The cubic root of 73479081 is about 418.8461926190.

The spelling of 73479081 in words is "seventy-three million, four hundred seventy-nine thousand, eighty-one".