72476743 has 2 divisors, whose sum is σ = 72476744. Its totient is φ = 72476742.

The previous prime is 72476737. The next prime is 72476777. The reversal of 72476743 is 34767427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72476743 - 2¹⁷ = 72345671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72476696 and 72476705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72476783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36238371 + 36238372.

It is an arithmetic number, because the mean of its divisors is an integer number (36238372).

Almost surely, 2^72476743 is an apocalyptic number.

72476743 is a deficient number, since it is larger than the sum of its proper divisors (1).

72476743 is an equidigital number, since it uses as much as digits as its factorization.

72476743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 40.

The square root of 72476743 is about 8513.3273753568. The cubic root of 72476743 is about 416.9329541199.

The spelling of 72476743 in words is "seventy-two million, four hundred seventy-six thousand, seven hundred forty-three".