71220048 has 40 divisors (see below), whose sum is σ = 184401888. Its totient is φ = 23686272.

The previous prime is 71220047. The next prime is 71220053. The reversal of 71220048 is 84002217.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71220043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23686 + ... + 26522.

Almost surely, 2^71220048 is an apocalyptic number.

It is an amenable number.

71220048 is an abundant number, since it is smaller than the sum of its proper divisors (113181840).

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

71220048 is a wasteful number, since it uses less digits than its factorization.

71220048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 71220048 is about 8439.1971182098. The cubic root of 71220048 is about 414.5091171736.

The spelling of 71220048 in words is "seventy-one million, two hundred twenty thousand, forty-eight".