740622779 has 16 divisors (see below), whose sum is σ = 806371104. Its totient is φ = 676166400.

The previous prime is 740622769. The next prime is 740622787. The reversal of 740622779 is 977226047.

It is not a de Polignac number, because 740622779 - 2⁴ = 740622763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740622739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716447 + ... + 717479.

It is an arithmetic number, because the mean of its divisors is an integer number (50398194).

Almost surely, 2^740622779 is an apocalyptic number.

740622779 is a deficient number, since it is larger than the sum of its proper divisors (65748325).

740622779 is a wasteful number, since it uses less digits than its factorization.

740622779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 740622779 is about 27214.3855157525. The cubic root of 740622779 is about 904.7578400345.

The spelling of 740622779 in words is "seven hundred forty million, six hundred twenty-two thousand, seven hundred seventy-nine".