71994762 has 192 divisors, whose sum is σ = 208915200. Its totient is φ = 17418240.

The previous prime is 71994749. The next prime is 71994763. The reversal of 71994762 is 26749917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71994763) 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 95 ways as a sum of consecutive naturals, for example, 1180212 + ... + 1180272.

It is an arithmetic number, because the mean of its divisors is an integer number (1088100).

Almost surely, 2^71994762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71994762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104457600).

71994762 is an abundant number, since it is smaller than the sum of its proper divisors (136920438).

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

71994762 is a wasteful number, since it uses less digits than its factorization.

71994762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 138 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 71994762 is about 8484.9727165148. The cubic root of 71994762 is about 416.0066759592.

It can be divided in two parts, 719 and 94762, that added together give a square (95481 = 309²).

The spelling of 71994762 in words is "seventy-one million, nine hundred ninety-four thousand, seven hundred sixty-two".