71402454 has 12 divisors (see below), whose sum is σ = 154705356. Its totient is φ = 23800812.

The previous prime is 71402423. The next prime is 71402459. The reversal of 71402454 is 45420417.

It is a super-4 number, since 4×71402454⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71402459) 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 5 ways as a sum of consecutive naturals, for example, 1983384 + ... + 1983419.

It is an arithmetic number, because the mean of its divisors is an integer number (12892113).

Almost surely, 2^71402454 is an apocalyptic number.

71402454 is an abundant number, since it is smaller than the sum of its proper divisors (83302902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71402454 is a wasteful number, since it uses less digits than its factorization.

71402454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966811 (or 3966808 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 71402454 is about 8449.9972781061. The cubic root of 71402454 is about 414.8626903361.

The spelling of 71402454 in words is "seventy-one million, four hundred two thousand, four hundred fifty-four".