71603053 has 8 divisors (see below), whose sum is σ = 73094400. Its totient is φ = 70117008.

The previous prime is 71603023. The next prime is 71603069. The reversal of 71603053 is 35030617.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71603053 - 2⁹ = 71602541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71603023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37168 + ... + 39046.

It is an arithmetic number, because the mean of its divisors is an integer number (9136800).

Almost surely, 2^71603053 is an apocalyptic number.

It is an amenable number.

71603053 is a deficient number, since it is larger than the sum of its proper divisors (1491347).

71603053 is a wasteful number, since it uses less digits than its factorization.

71603053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 71603053 is about 8461.8587201631. The cubic root of 71603053 is about 415.2508339898.

The spelling of 71603053 in words is "seventy-one million, six hundred three thousand, fifty-three".