71252998 has 8 divisors (see below), whose sum is σ = 109486440. Its totient is φ = 34757520.

The previous prime is 71252981. The next prime is 71253019. The reversal of 71252998 is 89925217.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434388 + ... + 434551.

It is an arithmetic number, because the mean of its divisors is an integer number (13685805).

Almost surely, 2^71252998 is an apocalyptic number.

71252998 is a deficient number, since it is larger than the sum of its proper divisors (38233442).

71252998 is a wasteful number, since it uses less digits than its factorization.

71252998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868982.

The product of its digits is 90720, while the sum is 43.

The square root of 71252998 is about 8441.1490923926. The cubic root of 71252998 is about 414.5730316192.

The spelling of 71252998 in words is "seventy-one million, two hundred fifty-two thousand, nine hundred ninety-eight".