74248113 has 4 divisors (see below), whose sum is σ = 98997488. Its totient is φ = 49498740.

The previous prime is 74248103. The next prime is 74248123. The reversal of 74248113 is 31184247.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31184247 = 3 ⋅10394749.

It is an interprime number because it is at equal distance from previous prime (74248103) and next prime (74248123).

It is not a de Polignac number, because 74248113 - 2⁹ = 74247601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74248103) 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, 12374683 + ... + 12374688.

It is an arithmetic number, because the mean of its divisors is an integer number (24749372).

Almost surely, 2^74248113 is an apocalyptic number.

It is an amenable number.

74248113 is a deficient number, since it is larger than the sum of its proper divisors (24749375).

74248113 is a wasteful number, since it uses less digits than its factorization.

74248113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24749374.

The product of its digits is 5376, while the sum is 30.

The square root of 74248113 is about 8616.7344742658. The cubic root of 74248113 is about 420.3023389970.

The spelling of 74248113 in words is "seventy-four million, two hundred forty-eight thousand, one hundred thirteen".