74543696 has 20 divisors (see below), whose sum is σ = 144604212. Its totient is φ = 37226496.

The previous prime is 74543663. The next prime is 74543701. The reversal of 74543696 is 69634547.

It can be written as a sum of positive squares in 2 ways, for example, as 68293696 + 6250000 = 8264^2 + 2500^2 .

It is a super-2 number, since 2×74543696² = 11113525226680832, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 13616 + ... + 18288.

Almost surely, 2^74543696 is an apocalyptic number.

It is an amenable number.

74543696 is a deficient number, since it is larger than the sum of its proper divisors (70060516).

74543696 is a wasteful number, since it uses less digits than its factorization.

74543696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5672 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 74543696 is about 8633.8691210835. The cubic root of 74543696 is about 420.8593440861.

The spelling of 74543696 in words is "seventy-four million, five hundred forty-three thousand, six hundred ninety-six".