71692020 has 48 divisors (see below), whose sum is σ = 223043520. Its totient is φ = 19117728.

The previous prime is 71692013. The next prime is 71692069. The reversal of 71692020 is 2029617.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

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, 65842 + ... + 66921.

It is an arithmetic number, because the mean of its divisors is an integer number (4646740).

Almost surely, 2^71692020 is an apocalyptic number.

It is an amenable number.

71692020 is an abundant number, since it is smaller than the sum of its proper divisors (151351500).

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

71692020 is a wasteful number, since it uses less digits than its factorization.

71692020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132781 (or 132773 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 71692020 is about 8467.1140301758. The cubic root of 71692020 is about 415.4227462622.

The spelling of 71692020 in words is "seventy-one million, six hundred ninety-two thousand, twenty".