73279420 has 12 divisors (see below), whose sum is σ = 153886824. Its totient is φ = 29311760.

The previous prime is 73279411. The next prime is 73279429. The reversal of 73279420 is 2497237.

It is an interprime number because it is at equal distance from previous prime (73279411) and next prime (73279429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73279429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831966 + ... + 1832005.

It is an arithmetic number, because the mean of its divisors is an integer number (12823902).

Almost surely, 2^73279420 is an apocalyptic number.

It is an amenable number.

73279420 is an abundant number, since it is smaller than the sum of its proper divisors (80607404).

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

73279420 is a wasteful number, since it uses less digits than its factorization.

73279420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663980 (or 3663978 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 73279420 is about 8560.3399465208. The cubic root of 73279420 is about 418.4664786086.

The spelling of 73279420 in words is "seventy-three million, two hundred seventy-nine thousand, four hundred twenty".