71620006672 has 80 divisors (see below), whose sum is σ = 144008407872. Its totient is φ = 34478784000.

The previous prime is 71620006547. The next prime is 71620006681. The reversal of 71620006672 is 27660002617.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24219018 + ... + 24221974.

Almost surely, 2^71620006672 is an apocalyptic number.

It is an amenable number.

71620006672 is an abundant number, since it is smaller than the sum of its proper divisors (72388401200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71620006672 is a wasteful number, since it uses less digits than its factorization.

71620006672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 71620006672 in words is "seventy-one billion, six hundred twenty million, six thousand, six hundred seventy-two".