71962097 has 4 divisors (see below), whose sum is σ = 72090480. Its totient is φ = 71833716.

The previous prime is 71962081. The next prime is 71962109. The reversal of 71962097 is 79026917.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79026917 = 5443 ⋅14519.

It is a cyclic number.

It is not a de Polignac number, because 71962097 - 2⁴ = 71962081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71962057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63347 + ... + 64472.

It is an arithmetic number, because the mean of its divisors is an integer number (18022620).

Almost surely, 2^71962097 is an apocalyptic number.

It is an amenable number.

71962097 is a deficient number, since it is larger than the sum of its proper divisors (128383).

71962097 is a wasteful number, since it uses less digits than its factorization.

71962097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128382.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 71962097 is about 8483.0476245274. The cubic root of 71962097 is about 415.9437504844.

The spelling of 71962097 in words is "seventy-one million, nine hundred sixty-two thousand, ninety-seven".