74903393 has 4 divisors (see below), whose sum is σ = 75054000. Its totient is φ = 74752788.

The previous prime is 74903369. The next prime is 74903431. The reversal of 74903393 is 39330947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74903393 - 2¹⁶ = 74837857 is a prime.

It is a super-2 number, since 2×74903393² = 11221036565824898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74903593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74555 + ... + 75552.

It is an arithmetic number, because the mean of its divisors is an integer number (18763500).

Almost surely, 2^74903393 is an apocalyptic number.

It is an amenable number.

74903393 is a deficient number, since it is larger than the sum of its proper divisors (150607).

74903393 is a wasteful number, since it uses less digits than its factorization.

74903393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150606.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 74903393 is about 8654.6746328213. The cubic root of 74903393 is about 421.5351848513.

The spelling of 74903393 in words is "seventy-four million, nine hundred three thousand, three hundred ninety-three".