71404742 has 8 divisors (see below), whose sum is σ = 111764016. Its totient is φ = 34150072.

The previous prime is 71404733. The next prime is 71404759. The reversal of 71404742 is 24740417.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776093 + ... + 776184.

It is an arithmetic number, because the mean of its divisors is an integer number (13970502).

Almost surely, 2^71404742 is an apocalyptic number.

71404742 is a deficient number, since it is larger than the sum of its proper divisors (40359274).

71404742 is a wasteful number, since it uses less digits than its factorization.

71404742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552302.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 71404742 is about 8450.1326616805. The cubic root of 71404742 is about 414.8671215363.

The spelling of 71404742 in words is "seventy-one million, four hundred four thousand, seven hundred forty-two".