71212474 has 16 divisors (see below), whose sum is σ = 108573696. Its totient is φ = 35026000.

The previous prime is 71212447. The next prime is 71212483. The reversal of 71212474 is 47421217.

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, 32679 + ... + 34789.

It is an arithmetic number, because the mean of its divisors is an integer number (6785856).

Almost surely, 2^71212474 is an apocalyptic number.

71212474 is a deficient number, since it is larger than the sum of its proper divisors (37361222).

71212474 is a wasteful number, since it uses less digits than its factorization.

71212474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381.

The product of its digits is 3136, while the sum is 28.

The square root of 71212474 is about 8438.7483669084. The cubic root of 71212474 is about 414.4944227936.

The spelling of 71212474 in words is "seventy-one million, two hundred twelve thousand, four hundred seventy-four".