71451093 has 16 divisors (see below), whose sum is σ = 109006976. Its totient is φ = 40780800.

The previous prime is 71451067. The next prime is 71451097. The reversal of 71451093 is 39015417.

It is not a de Polignac number, because 71451093 - 2¹³ = 71442901 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 71451093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71451097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23805 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (6812936).

Almost surely, 2^71451093 is an apocalyptic number.

It is an amenable number.

71451093 is a deficient number, since it is larger than the sum of its proper divisors (37555883).

71451093 is a wasteful number, since it uses less digits than its factorization.

71451093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 71451093 is about 8452.8748364092. The cubic root of 71451093 is about 414.9568697617.

The spelling of 71451093 in words is "seventy-one million, four hundred fifty-one thousand, ninety-three".