71400469 has 4 divisors (see below), whose sum is σ = 81600544. Its totient is φ = 61200396.

The previous prime is 71400467. The next prime is 71400479. The reversal of 71400469 is 96400417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71400469 - 2¹ = 71400467 is a prime.

It is a super-2 number, since 2×71400469² = 10196053946839922, which contains 22 as substring.

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 71400469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71400463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100027 + ... + 5100040.

It is an arithmetic number, because the mean of its divisors is an integer number (20400136).

Almost surely, 2^71400469 is an apocalyptic number.

It is an amenable number.

71400469 is a deficient number, since it is larger than the sum of its proper divisors (10200075).

71400469 is a wasteful number, since it uses less digits than its factorization.

71400469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200074.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 71400469 is about 8449.8798216306. The cubic root of 71400469 is about 414.8588458834.

The spelling of 71400469 in words is "seventy-one million, four hundred thousand, four hundred sixty-nine".