71474245 has 8 divisors (see below), whose sum is σ = 85824000. Its totient is φ = 57142800.

The previous prime is 71474231. The next prime is 71474279. The reversal of 71474245 is 54247417.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71474245 - 2¹³ = 71466053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71474245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6420 + ... + 13570.

It is an arithmetic number, because the mean of its divisors is an integer number (10728000).

Almost surely, 2^71474245 is an apocalyptic number.

It is an amenable number.

71474245 is a deficient number, since it is larger than the sum of its proper divisors (14349755).

71474245 is a wasteful number, since it uses less digits than its factorization.

71474245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155.

The product of its digits is 31360, while the sum is 34.

The square root of 71474245 is about 8454.2442004002. The cubic root of 71474245 is about 415.0016838370.

The spelling of 71474245 in words is "seventy-one million, four hundred seventy-four thousand, two hundred forty-five".