74152245 has 8 divisors (see below), whose sum is σ = 118643616. Its totient is φ = 39547856.

The previous prime is 74152241. The next prime is 74152259. The reversal of 74152245 is 54225147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74152245 - 2² = 74152241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74152241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2471727 + ... + 2471756.

It is an arithmetic number, because the mean of its divisors is an integer number (14830452).

Almost surely, 2^74152245 is an apocalyptic number.

It is an amenable number.

74152245 is a deficient number, since it is larger than the sum of its proper divisors (44491371).

74152245 is a wasteful number, since it uses less digits than its factorization.

74152245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943491.

The product of its digits is 11200, while the sum is 30.

The square root of 74152245 is about 8611.1697811621. The cubic root of 74152245 is about 420.1213651531.

The spelling of 74152245 in words is "seventy-four million, one hundred fifty-two thousand, two hundred forty-five".