71425694 has 4 divisors (see below), whose sum is σ = 107138544. Its totient is φ = 35712846.

The previous prime is 71425657. The next prime is 71425723. The reversal of 71425694 is 49652417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49652417 = 1487 ⋅33391.

It is a Curzon number.

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, 17856422 + ... + 17856425.

It is an arithmetic number, because the mean of its divisors is an integer number (26784636).

Almost surely, 2^71425694 is an apocalyptic number.

71425694 is a deficient number, since it is larger than the sum of its proper divisors (35712850).

71425694 is a wasteful number, since it uses less digits than its factorization.

71425694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35712849.

The product of its digits is 60480, while the sum is 38.

The square root of 71425694 is about 8451.3723146007. The cubic root of 71425694 is about 414.9076951530.

The spelling of 71425694 in words is "seventy-one million, four hundred twenty-five thousand, six hundred ninety-four".