72962819 has 2 divisors, whose sum is σ = 72962820. Its totient is φ = 72962818.

The previous prime is 72962803. The next prime is 72962849. The reversal of 72962819 is 91826927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72962819 - 2⁴ = 72962803 is a prime.

It is a super-2 number, since 2×72962819² = 10647145912853522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72962819.

It is not a weakly prime, because it can be changed into another prime (72962849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36481409 + 36481410.

It is an arithmetic number, because the mean of its divisors is an integer number (36481410).

Almost surely, 2^72962819 is an apocalyptic number.

72962819 is a deficient number, since it is larger than the sum of its proper divisors (1).

72962819 is an equidigital number, since it uses as much as digits as its factorization.

72962819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 72962819 is about 8541.8276147438. The cubic root of 72962819 is about 417.8629523322.

The spelling of 72962819 in words is "seventy-two million, nine hundred sixty-two thousand, eight hundred nineteen".