71623613451002 has 4 divisors (see below), whose sum is σ = 107435420176506. Its totient is φ = 35811806725500.

The previous prime is 71623613450923. The next prime is 71623613451029. The reversal of 71623613451002 is 20015431632617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54801877203241 + 16821736247761 = 7402829^2 + 4101431^2 .

It is a super-3 number, since 3×71623613451002³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17905903362749 + ... + 17905903362752.

Almost surely, 2^{71623613451002} is an apocalyptic number.

71623613451002 is a deficient number, since it is larger than the sum of its proper divisors (35811806725504).

71623613451002 is a wasteful number, since it uses less digits than its factorization.

71623613451002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35811806725503.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 71623613451002 in words is "seventy-one trillion, six hundred twenty-three billion, six hundred thirteen million, four hundred fifty-one thousand, two".