71969352 has 128 divisors (see below), whose sum is σ = 228802560. Its totient is φ = 18351360.

The previous prime is 71969333. The next prime is 71969371. The reversal of 71969352 is 25396917.

It is an interprime number because it is at equal distance from previous prime (71969333) and next prime (71969371).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67173 + ... + 68235.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^71969352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71969352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114401280).

71969352 is an abundant number, since it is smaller than the sum of its proper divisors (156833208).

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

71969352 is a wasteful number, since it uses less digits than its factorization.

71969352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1119 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 71969352 is about 8483.4752312953. The cubic root of 71969352 is about 415.9577280765.

The spelling of 71969352 in words is "seventy-one million, nine hundred sixty-nine thousand, three hundred fifty-two".