74848731 has 4 divisors (see below), whose sum is σ = 99798312. Its totient is φ = 49899152.

The previous prime is 74848729. The next prime is 74848759. The reversal of 74848731 is 13784847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13784847 = 3 ⋅4594949.

It is a cyclic number.

It is not a de Polignac number, because 74848731 - 2¹ = 74848729 is a prime.

It is a super-2 number, since 2×74848731² = 11204665064620722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74848721) 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, 12474786 + ... + 12474791.

It is an arithmetic number, because the mean of its divisors is an integer number (24949578).

Almost surely, 2^74848731 is an apocalyptic number.

74848731 is a deficient number, since it is larger than the sum of its proper divisors (24949581).

74848731 is a wasteful number, since it uses less digits than its factorization.

74848731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24949580.

The product of its digits is 150528, while the sum is 42.

The square root of 74848731 is about 8651.5161099081. The cubic root of 74848731 is about 421.4326191209.

The spelling of 74848731 in words is "seventy-four million, eight hundred forty-eight thousand, seven hundred thirty-one".