71420735 has 8 divisors (see below), whose sum is σ = 86273376. Its totient is φ = 56757600.

The previous prime is 71420719. The next prime is 71420737. The reversal of 71420735 is 53702417.

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

It is not a de Polignac number, because 71420735 - 2⁴ = 71420719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71420698 and 71420707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71420737) 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, 46544 + ... + 48053.

It is an arithmetic number, because the mean of its divisors is an integer number (10784172).

Almost surely, 2^71420735 is an apocalyptic number.

71420735 is a deficient number, since it is larger than the sum of its proper divisors (14852641).

71420735 is a wasteful number, since it uses less digits than its factorization.

71420735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94753.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 71420735 is about 8451.0789252024. The cubic root of 71420735 is about 414.8980927500.

The spelling of 71420735 in words is "seventy-one million, four hundred twenty thousand, seven hundred thirty-five".