74748019 has 8 divisors (see below), whose sum is σ = 76108032. Its totient is φ = 73396680.

The previous prime is 74748017. The next prime is 74748049. The reversal of 74748019 is 91084747.

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 74748019 - 2¹ = 74748017 is a prime.

It is a super-2 number, since 2×74748019² = 11174532688848722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74748017) 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, 16672 + ... + 20674.

It is an arithmetic number, because the mean of its divisors is an integer number (9513504).

Almost surely, 2^74748019 is an apocalyptic number.

74748019 is a deficient number, since it is larger than the sum of its proper divisors (1360013).

74748019 is a wasteful number, since it uses less digits than its factorization.

74748019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74748019 is about 8645.6936679482. The cubic root of 74748019 is about 421.2435160592.

The spelling of 74748019 in words is "seventy-four million, seven hundred forty-eight thousand, nineteen".