740000172840 has 64 divisors (see below), whose sum is σ = 2222704834560. Its totient is φ = 197092995840.

The previous prime is 740000172781. The next prime is 740000172851. The reversal of 740000172840 is 48271000047.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657064 + ... + 3854103.

It is an arithmetic number, because the mean of its divisors is an integer number (34729763040).

Almost surely, 2^740000172840 is an apocalyptic number.

It is an amenable number.

740000172840 is an abundant number, since it is smaller than the sum of its proper divisors (1482704661720).

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

740000172840 is a wasteful number, since it uses less digits than its factorization.

740000172840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512002 (or 7511998 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

Adding to 740000172840 its reverse (48271000047), we get a palindrome (788271172887).

The spelling of 740000172840 in words is "seven hundred forty billion, one hundred seventy-two thousand, eight hundred forty".