72283476 has 24 divisors (see below), whose sum is σ = 169797600. Its totient is φ = 23932192.

The previous prime is 72283433. The next prime is 72283481. The reversal of 72283476 is 67438227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18426 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (7074900).

Almost surely, 2^72283476 is an apocalyptic number.

It is an amenable number.

72283476 is an abundant number, since it is smaller than the sum of its proper divisors (97514124).

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

72283476 is a wasteful number, since it uses less digits than its factorization.

72283476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40583 (or 40581 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 72283476 is about 8501.9689484260. The cubic root of 72283476 is about 416.5620254205.

The spelling of 72283476 in words is "seventy-two million, two hundred eighty-three thousand, four hundred seventy-six".