71632511007 has 16 divisors (see below), whose sum is σ = 100372567680. Its totient is φ = 45383762592.

The previous prime is 71632511003. The next prime is 71632511029. The reversal of 71632511007 is 70011523617.

It is not a de Polignac number, because 71632511007 - 2² = 71632511003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71632511003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7499157 + ... + 7508702.

It is an arithmetic number, because the mean of its divisors is an integer number (6273285480).

Almost surely, 2^71632511007 is an apocalyptic number.

71632511007 is a deficient number, since it is larger than the sum of its proper divisors (28740056673).

71632511007 is a wasteful number, since it uses less digits than its factorization.

71632511007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15007942.

The product of its (nonzero) digits is 8820, while the sum is 33.

The spelling of 71632511007 in words is "seventy-one billion, six hundred thirty-two million, five hundred eleven thousand, seven".