72862746 has 16 divisors (see below), whose sum is σ = 158973408. Its totient is φ = 22079600.

The previous prime is 72862733. The next prime is 72862747. The reversal of 72862746 is 64726827.

It is a junction number, because it is equal to n+sod(n) for n = 72862698 and 72862707.

It is not an unprimeable number, because it can be changed into a prime (72862747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551925 + ... + 552056.

It is an arithmetic number, because the mean of its divisors is an integer number (9935838).

Almost surely, 2^72862746 is an apocalyptic number.

72862746 is an abundant number, since it is smaller than the sum of its proper divisors (86110662).

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

72862746 is a wasteful number, since it uses less digits than its factorization.

72862746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103997.

The product of its digits is 225792, while the sum is 42.

The square root of 72862746 is about 8535.9677834444. The cubic root of 72862746 is about 417.6718233321.

The spelling of 72862746 in words is "seventy-two million, eight hundred sixty-two thousand, seven hundred forty-six".