74542768 has 10 divisors (see below), whose sum is σ = 144426644. Its totient is φ = 37271376.

The previous prime is 74542729. The next prime is 74542801. The reversal of 74542768 is 86724547.

It is a super-2 number, since 2×74542768² = 11113248522203648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2329446 + ... + 2329477.

Almost surely, 2^74542768 is an apocalyptic number.

It is an amenable number.

74542768 is a deficient number, since it is larger than the sum of its proper divisors (69883876).

74542768 is a wasteful number, since it uses less digits than its factorization.

74542768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658931 (or 4658925 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 74542768 is about 8633.8153790778. The cubic root of 74542768 is about 420.8575976424.

The spelling of 74542768 in words is "seventy-four million, five hundred forty-two thousand, seven hundred sixty-eight".