71373601 has 12 divisors (see below), whose sum is σ = 78028272. Its totient is φ = 65251056.

The previous prime is 71373587. The next prime is 71373697. The reversal of 71373601 is 10637317.

It is not a de Polignac number, because 71373601 - 2¹³ = 71365409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71373601.

It is not an unprimeable number, because it can be changed into a prime (71377601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16110 + ... + 20056.

It is an arithmetic number, because the mean of its divisors is an integer number (6502356).

Almost surely, 2^71373601 is an apocalyptic number.

It is an amenable number.

71373601 is a deficient number, since it is larger than the sum of its proper divisors (6654671).

71373601 is a wasteful number, since it uses less digits than its factorization.

71373601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080 (or 4067 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 71373601 is about 8448.2898269413. The cubic root of 71373601 is about 414.8068022202.

The spelling of 71373601 in words is "seventy-one million, three hundred seventy-three thousand, six hundred one".