71254379 has 12 divisors (see below), whose sum is σ = 83824200. Its totient is φ = 60385248.

The previous prime is 71254373. The next prime is 71254387. The reversal of 71254379 is 97345217.

It is a de Polignac number, because none of the positive numbers 2^k-71254379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71254373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3809 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (6985350).

Almost surely, 2^71254379 is an apocalyptic number.

71254379 is a deficient number, since it is larger than the sum of its proper divisors (12569821).

71254379 is a wasteful number, since it uses less digits than its factorization.

71254379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442 (or 16435 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 71254379 is about 8441.2308936553. The cubic root of 71254379 is about 414.5757099704.

The spelling of 71254379 in words is "seventy-one million, two hundred fifty-four thousand, three hundred seventy-nine".