740214779 has 4 divisors (see below), whose sum is σ = 758268840. Its totient is φ = 722160720.

The previous prime is 740214757. The next prime is 740214781. The reversal of 740214779 is 977412047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740214779 - 2²⁸ = 471779323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 18054019 = 740214779 / (7 + 4 + 0 + 2 + 1 + 4 + 7 + 7 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740214479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9026969 + ... + 9027050.

It is an arithmetic number, because the mean of its divisors is an integer number (189567210).

Almost surely, 2^740214779 is an apocalyptic number.

740214779 is a deficient number, since it is larger than the sum of its proper divisors (18054061).

740214779 is a wasteful number, since it uses less digits than its factorization.

740214779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18054060.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 740214779 is about 27206.8884475972. Note that the first 3 decimals coincide. The cubic root of 740214779 is about 904.5916695200.

The spelling of 740214779 in words is "seven hundred forty million, two hundred fourteen thousand, seven hundred seventy-nine".