71616074 has 8 divisors (see below), whose sum is σ = 109185348. Its totient is φ = 35220960.

The previous prime is 71616071. The next prime is 71616079. The reversal of 71616074 is 47061617.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57229225 + 14386849 = 7565^2 + 3793^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71616074.

It is not an unprimeable number, because it can be changed into a prime (71616071) 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, 293387 + ... + 293630.

Almost surely, 2^71616074 is an apocalyptic number.

71616074 is a deficient number, since it is larger than the sum of its proper divisors (37569274).

71616074 is a wasteful number, since it uses less digits than its factorization.

71616074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587080.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 71616074 is about 8462.6280787944. The cubic root of 71616074 is about 415.2760035562.

The spelling of 71616074 in words is "seventy-one million, six hundred sixteen thousand, seventy-four".