74303438 has 24 divisors (see below), whose sum is σ = 122955840. Its totient is φ = 33651200.

The previous prime is 74303431. The next prime is 74303443. The reversal of 74303438 is 83430347.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74303431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115598 + ... + 116238.

It is an arithmetic number, because the mean of its divisors is an integer number (5123160).

Almost surely, 2^74303438 is an apocalyptic number.

74303438 is a deficient number, since it is larger than the sum of its proper divisors (48652402).

74303438 is a wasteful number, since it uses less digits than its factorization.

74303438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 74303438 is about 8619.9441993554. The cubic root of 74303438 is about 420.4067073225.

The spelling of 74303438 in words is "seventy-four million, three hundred three thousand, four hundred thirty-eight".