71626045 has 4 divisors (see below), whose sum is σ = 85951260. Its totient is φ = 57300832.

The previous prime is 71626033. The next prime is 71626091. The reversal of 71626045 is 54062617.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54062617 = 7 ⋅7723231.

It can be written as a sum of positive squares in 2 ways, for example, as 43599609 + 28026436 = 6603^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 71626045 - 2⁵ = 71626013 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 71625998 and 71626016.

It is a congruent number.

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, 7162600 + ... + 7162609.

It is an arithmetic number, because the mean of its divisors is an integer number (21487815).

Almost surely, 2^71626045 is an apocalyptic number.

It is an amenable number.

71626045 is a deficient number, since it is larger than the sum of its proper divisors (14325215).

71626045 is a wasteful number, since it uses less digits than its factorization.

71626045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14325214.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 71626045 is about 8463.2171778822. The cubic root of 71626045 is about 415.2952754163.

The spelling of 71626045 in words is "seventy-one million, six hundred twenty-six thousand, forty-five".