71601490 has 8 divisors (see below), whose sum is σ = 128882700. Its totient is φ = 28640592.

The previous prime is 71601451. The next prime is 71601529. The reversal of 71601490 is 9410617.

It is an interprime number because it is at equal distance from previous prime (71601451) and next prime (71601529).

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 6911641 = 8043^2 + 2629^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580065 + ... + 3580084.

Almost surely, 2^71601490 is an apocalyptic number.

71601490 is a deficient number, since it is larger than the sum of its proper divisors (57281210).

71601490 is a wasteful number, since it uses less digits than its factorization.

71601490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160156.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 71601490 is about 8461.7663640637. The cubic root of 71601490 is about 415.2478125089.

The spelling of 71601490 in words is "seventy-one million, six hundred one thousand, four hundred ninety".