74364743 has 2 divisors, whose sum is σ = 74364744. Its totient is φ = 74364742.

The previous prime is 74364739. The next prime is 74364757. The reversal of 74364743 is 34746347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74364743 - 2² = 74364739 is a prime.

It is equal to p_4359269 and since 74364743 and 4359269 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 74364697 and 74364706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74364733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37182371 + 37182372.

It is an arithmetic number, because the mean of its divisors is an integer number (37182372).

Almost surely, 2^74364743 is an apocalyptic number.

74364743 is a deficient number, since it is larger than the sum of its proper divisors (1).

74364743 is an equidigital number, since it uses as much as digits as its factorization.

74364743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 38.

The square root of 74364743 is about 8623.4994636748. The cubic root of 74364743 is about 420.5222961791.

The spelling of 74364743 in words is "seventy-four million, three hundred sixty-four thousand, seven hundred forty-three".