71400742730 has 64 divisors (see below), whose sum is σ = 141166126080. Its totient is φ = 25892505600.

The previous prime is 71400742717. The next prime is 71400742739. The reversal of 71400742730 is 3724700417.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71400742739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485795 + ... + 615465.

It is an arithmetic number, because the mean of its divisors is an integer number (2205720720).

Almost surely, 2^71400742730 is an apocalyptic number.

71400742730 is a deficient number, since it is larger than the sum of its proper divisors (69765383350).

71400742730 is a wasteful number, since it uses less digits than its factorization.

71400742730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129815.

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 71400742730 in words is "seventy-one billion, four hundred million, seven hundred forty-two thousand, seven hundred thirty".