74152093 has 4 divisors (see below), whose sum is σ = 76544128. Its totient is φ = 71760060.

The previous prime is 74152087. The next prime is 74152097. The reversal of 74152093 is 39025147.

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 a de Polignac number, because none of the positive numbers 2^k-74152093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2392003 = 74152093 / (7 + 4 + 1 + 5 + 2 + 0 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74152097) 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, 1195971 + ... + 1196032.

It is an arithmetic number, because the mean of its divisors is an integer number (19136032).

Almost surely, 2^74152093 is an apocalyptic number.

It is an amenable number.

74152093 is a deficient number, since it is larger than the sum of its proper divisors (2392035).

74152093 is a wasteful number, since it uses less digits than its factorization.

74152093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392034.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 74152093 is about 8611.1609554113. The cubic root of 74152093 is about 420.1210780929.

The spelling of 74152093 in words is "seventy-four million, one hundred fifty-two thousand, ninety-three".