71497022 has 4 divisors (see below), whose sum is σ = 107245536. Its totient is φ = 35748510.

The previous prime is 71497009. The next prime is 71497031. The reversal of 71497022 is 22079417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22079417 = 37 ⋅596741.

It is a super-2 number, since 2×71497022² = 10223648309736968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71497022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17874254 + ... + 17874257.

It is an arithmetic number, because the mean of its divisors is an integer number (26811384).

Almost surely, 2^71497022 is an apocalyptic number.

71497022 is a deficient number, since it is larger than the sum of its proper divisors (35748514).

71497022 is a wasteful number, since it uses less digits than its factorization.

71497022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35748513.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 71497022 is about 8455.5911679787. The cubic root of 71497022 is about 415.0457626024.

The spelling of 71497022 in words is "seventy-one million, four hundred ninety-seven thousand, twenty-two".