74966746 has 4 divisors (see below), whose sum is σ = 112450122. Its totient is φ = 37483372.

The previous prime is 74966707. The next prime is 74966767. The reversal of 74966746 is 64766947.

74966746 = T₇₀₆₈ + T₇₀₆₉ + T₇₀₇₀.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38303721 + 36663025 = 6189^2 + 6055^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74966746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18741685 + ... + 18741688.

Almost surely, 2^74966746 is an apocalyptic number.

74966746 is the 7070-th centered triangular number.

74966746 is a deficient number, since it is larger than the sum of its proper divisors (37483376).

74966746 is a wasteful number, since it uses less digits than its factorization.

74966746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37483375.

The product of its digits is 1524096, while the sum is 49.

The square root of 74966746 is about 8658.3339043952. Note that the first 3 decimals coincide. The cubic root of 74966746 is about 421.6539956372.

The spelling of 74966746 in words is "seventy-four million, nine hundred sixty-six thousand, seven hundred forty-six".