71446402 has 8 divisors (see below), whose sum is σ = 107246412. Its totient is φ = 35697600.

The previous prime is 71446399. The next prime is 71446409. The reversal of 71446402 is 20464417.

It can be written as a sum of positive squares in 2 ways, for example, as 69906321 + 1540081 = 8361^2 + 1241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (71446409) 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, 9099 + ... + 15022.

Almost surely, 2^71446402 is an apocalyptic number.

71446402 is a deficient number, since it is larger than the sum of its proper divisors (35800010).

71446402 is a wasteful number, since it uses less digits than its factorization.

71446402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25604.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 71446402 is about 8452.5973522936. The cubic root of 71446402 is about 414.9477884671.

The spelling of 71446402 in words is "seventy-one million, four hundred forty-six thousand, four hundred two".