74948219 has 2 divisors, whose sum is σ = 74948220. Its totient is φ = 74948218.

The previous prime is 74948213. The next prime is 74948233. The reversal of 74948219 is 91284947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74948219 - 2⁸ = 74947963 is a prime.

It is a super-2 number, since 2×74948219² = 11234471062543922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74948219.

It is not a weakly prime, because it can be changed into another prime (74948213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37474109 + 37474110.

It is an arithmetic number, because the mean of its divisors is an integer number (37474110).

Almost surely, 2^74948219 is an apocalyptic number.

74948219 is a deficient number, since it is larger than the sum of its proper divisors (1).

74948219 is an equidigital number, since it uses as much as digits as its factorization.

74948219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 74948219 is about 8657.2639442263. The cubic root of 74948219 is about 421.6192574471.

The spelling of 74948219 in words is "seventy-four million, nine hundred forty-eight thousand, two hundred nineteen".