71402917 has 8 divisors (see below), whose sum is σ = 73412352. Its totient is φ = 69414000.

The previous prime is 71402909. The next prime is 71402927. The reversal of 71402917 is 71920417.

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 71402917 - 2³ = 71402909 is a prime.

It is a super-2 number, since 2×71402917² = 10196753112217778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71402927) 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, 2067 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (9176544).

Almost surely, 2^71402917 is an apocalyptic number.

It is an amenable number.

71402917 is a deficient number, since it is larger than the sum of its proper divisors (2009435).

71402917 is a wasteful number, since it uses less digits than its factorization.

71402917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 71402917 is about 8450.0246745202. The cubic root of 71402917 is about 414.8635870421.

The spelling of 71402917 in words is "seventy-one million, four hundred two thousand, nine hundred seventeen".