73747043 has 2 divisors, whose sum is σ = 73747044. Its totient is φ = 73747042.

The previous prime is 73747007. The next prime is 73747049. The reversal of 73747043 is 34074737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73747043 - 2⁸ = 73746787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73746994 and 73747012.

It is not a weakly prime, because it can be changed into another prime (73747049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36873521 + 36873522.

It is an arithmetic number, because the mean of its divisors is an integer number (36873522).

Almost surely, 2^73747043 is an apocalyptic number.

73747043 is a deficient number, since it is larger than the sum of its proper divisors (1).

73747043 is an equidigital number, since it uses as much as digits as its factorization.

73747043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 73747043 is about 8587.6098537370. The cubic root of 73747043 is about 419.3547215125.

The spelling of 73747043 in words is "seventy-three million, seven hundred forty-seven thousand, forty-three".