72812482 has 4 divisors (see below), whose sum is σ = 109218726. Its totient is φ = 36406240.

The previous prime is 72812477. The next prime is 72812489. The reversal of 72812482 is 28421827.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72573361 + 239121 = 8519^2 + 489^2 .

It is not an unprimeable number, because it can be changed into a prime (72812489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18203119 + ... + 18203122.

Almost surely, 2^72812482 is an apocalyptic number.

72812482 is a deficient number, since it is larger than the sum of its proper divisors (36406244).

72812482 is a wasteful number, since it uses less digits than its factorization.

72812482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36406243.

The product of its digits is 14336, while the sum is 34.

The square root of 72812482 is about 8533.0230282122. The cubic root of 72812482 is about 417.5757583010.

The spelling of 72812482 in words is "seventy-two million, eight hundred twelve thousand, four hundred eighty-two".