71264751 has 8 divisors (see below), whose sum is σ = 96438144. Its totient is φ = 46800600.

The previous prime is 71264729. The next prime is 71264771. The reversal of 71264751 is 15746217.

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

It is not a de Polignac number, because 71264751 - 2⁵ = 71264719 is a prime.

It is a super-3 number, since 3×71264751³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71264771) 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, 177075 + ... + 177476.

It is an arithmetic number, because the mean of its divisors is an integer number (12054768).

Almost surely, 2^71264751 is an apocalyptic number.

71264751 is a deficient number, since it is larger than the sum of its proper divisors (25173393).

71264751 is a wasteful number, since it uses less digits than its factorization.

71264751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354621.

The product of its digits is 11760, while the sum is 33.

The square root of 71264751 is about 8441.8452366766. The cubic root of 71264751 is about 414.5958246202.

The spelling of 71264751 in words is "seventy-one million, two hundred sixty-four thousand, seven hundred fifty-one".