71995392 has 260 divisors, whose sum is σ = 253724416. Its totient is φ = 19906560.

The previous prime is 71995387. The next prime is 71995397. The reversal of 71995392 is 29359917.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71995387) and next prime (71995397).

It is not an unprimeable number, because it can be changed into a prime (71995397) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2322417 + ... + 2322447.

Almost surely, 2^71995392 is an apocalyptic number.

71995392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71995392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126862208).

71995392 is an abundant number, since it is smaller than the sum of its proper divisors (181729024).

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

71995392 is an equidigital number, since it uses as much as digits as its factorization.

71995392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 43 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 71995392 is about 8485.0098408900. The cubic root of 71995392 is about 416.0078893967.

The spelling of 71995392 in words is "seventy-one million, nine hundred ninety-five thousand, three hundred ninety-two".