71954730 has 48 divisors (see below), whose sum is σ = 194017824. Its totient is φ = 19187280.

The previous prime is 71954699. The next prime is 71954747. The reversal of 71954730 is 3745917.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12376 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (4042038).

Almost surely, 2^71954730 is an apocalyptic number.

71954730 is an abundant number, since it is smaller than the sum of its proper divisors (122063094).

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

71954730 is a wasteful number, since it uses less digits than its factorization.

71954730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29633 (or 29621 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 71954730 is about 8482.6133944675. The cubic root of 71954730 is about 415.9295561501.

The spelling of 71954730 in words is "seventy-one million, nine hundred fifty-four thousand, seven hundred thirty".