74072746 has 16 divisors (see below), whose sum is σ = 124030368. Its totient is φ = 32886000.

The previous prime is 74072737. The next prime is 74072753. The reversal of 74072746 is 64727047.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 38205 + ... + 40096.

It is an arithmetic number, because the mean of its divisors is an integer number (7751898).

Almost surely, 2^74072746 is an apocalyptic number.

74072746 is a deficient number, since it is larger than the sum of its proper divisors (49957622).

74072746 is a wasteful number, since it uses less digits than its factorization.

74072746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78357.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 74072746 is about 8606.5525037613. The cubic root of 74072746 is about 419.9711733806.

It can be divided in two parts, 7407 and 2746, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 74072746 in words is "seventy-four million, seventy-two thousand, seven hundred forty-six".