71946454 has 4 divisors (see below), whose sum is σ = 107919684. Its totient is φ = 35973226.

The previous prime is 71946451. The next prime is 71946473. The reversal of 71946454 is 45464917.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71946451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17986612 + ... + 17986615.

It is an arithmetic number, because the mean of its divisors is an integer number (26979921).

Almost surely, 2^71946454 is an apocalyptic number.

71946454 is a deficient number, since it is larger than the sum of its proper divisors (35973230).

71946454 is a wasteful number, since it uses less digits than its factorization.

71946454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35973229.

The product of its digits is 120960, while the sum is 40.

The square root of 71946454 is about 8482.1255590801. The cubic root of 71946454 is about 415.9136092486.

The spelling of 71946454 in words is "seventy-one million, nine hundred forty-six thousand, four hundred fifty-four".