71274799 has 4 divisors (see below), whose sum is σ = 71317480. Its totient is φ = 71232120.

The previous prime is 71274767. The next prime is 71274809. The reversal of 71274799 is 99747217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99747217 = 79 ⋅1262623.

It is a cyclic number.

It is not a de Polignac number, because 71274799 - 2⁵ = 71274767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71274739) 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, 18729 + ... + 22210.

It is an arithmetic number, because the mean of its divisors is an integer number (17829370).

Almost surely, 2^71274799 is an apocalyptic number.

71274799 is a deficient number, since it is larger than the sum of its proper divisors (42681).

71274799 is a wasteful number, since it uses less digits than its factorization.

71274799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42680.

The product of its digits is 222264, while the sum is 46.

The square root of 71274799 is about 8442.4403462506. The cubic root of 71274799 is about 414.6153090685.

The spelling of 71274799 in words is "seventy-one million, two hundred seventy-four thousand, seven hundred ninety-nine".