740774892321 has 24 divisors (see below), whose sum is σ = 1110229970304. Its totient is φ = 493586518320.

The previous prime is 740774892281. The next prime is 740774892329. The reversal of 740774892321 is 123298477047.

740774892321 is a `hidden beast` number, since 74 + 0 + 77 + 489 + 2 + 3 + 21 = 666.

It is not a de Polignac number, because 740774892321 - 2¹⁴ = 740774875937 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (740774892329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355945 + ... + 1268166.

It is an arithmetic number, because the mean of its divisors is an integer number (46259582096).

Almost surely, 2^740774892321 is an apocalyptic number.

It is an amenable number.

740774892321 is a deficient number, since it is larger than the sum of its proper divisors (369455077983).

740774892321 is a wasteful number, since it uses less digits than its factorization.

740774892321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626003 (or 1625991 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 740774892321 in words is "seven hundred forty billion, seven hundred seventy-four million, eight hundred ninety-two thousand, three hundred twenty-one".