72340476 has 96 divisors (see below), whose sum is σ = 190192128. Its totient is φ = 21254400.

The previous prime is 72340447. The next prime is 72340481. The reversal of 72340476 is 67404327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479001 + ... + 479151.

It is an arithmetic number, because the mean of its divisors is an integer number (1981168).

Almost surely, 2^72340476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72340476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95096064).

72340476 is an abundant number, since it is smaller than the sum of its proper divisors (117851652).

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

72340476 is a wasteful number, since it uses less digits than its factorization.

72340476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 72340476 is about 8505.3204525168. The cubic root of 72340476 is about 416.6714916419.

The spelling of 72340476 in words is "seventy-two million, three hundred forty thousand, four hundred seventy-six".