71530898 has 16 divisors (see below), whose sum is σ = 110090880. Its totient is φ = 34841136.

The previous prime is 71530889. The next prime is 71530903. The reversal of 71530898 is 89803517.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19865 + ... + 23187.

It is an arithmetic number, because the mean of its divisors is an integer number (6880680).

Almost surely, 2^71530898 is an apocalyptic number.

71530898 is a deficient number, since it is larger than the sum of its proper divisors (38559982).

71530898 is a wasteful number, since it uses less digits than its factorization.

71530898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 71530898 is about 8457.5941023438. The cubic root of 71530898 is about 415.1113031888. Note that the first 3 decimals are identical.

It can be divided in two parts, 715 and 30898, that added together give a palindrome (31613).

The spelling of 71530898 in words is "seventy-one million, five hundred thirty thousand, eight hundred ninety-eight".