71802372 has 12 divisors (see below), whose sum is σ = 167538896. Its totient is φ = 23934120.

The previous prime is 71802361. The next prime is 71802377. The reversal of 71802372 is 27320817.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (71802377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2991754 + ... + 2991777.

Almost surely, 2^71802372 is an apocalyptic number.

It is an amenable number.

71802372 is an abundant number, since it is smaller than the sum of its proper divisors (95736524).

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

71802372 is a wasteful number, since it uses less digits than its factorization.

71802372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5983538 (or 5983536 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 71802372 is about 8473.6280305428. The cubic root of 71802372 is about 415.6357835934.

The spelling of 71802372 in words is "seventy-one million, eight hundred two thousand, three hundred seventy-two".