740621781211 has 16 divisors (see below), whose sum is σ = 803493591264. Its totient is φ = 678593942784.

The previous prime is 740621781199. The next prime is 740621781241. The reversal of 740621781211 is 112187126047.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 740621781211 - 2⁷ = 740621781083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740621781241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33466396 + ... + 33488518.

It is an arithmetic number, because the mean of its divisors is an integer number (50218349454).

Almost surely, 2^740621781211 is an apocalyptic number.

740621781211 is a deficient number, since it is larger than the sum of its proper divisors (62871810053).

740621781211 is a wasteful number, since it uses less digits than its factorization.

740621781211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41070.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 740621781211 in words is "seven hundred forty billion, six hundred twenty-one million, seven hundred eighty-one thousand, two hundred eleven".