742051777 has 8 divisors (see below), whose sum is σ = 745826400. Its totient is φ = 738284544.

The previous prime is 742051769. The next prime is 742051787. The reversal of 742051777 is 777150247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742051777 - 2³ = 742051769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742051787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373974 + ... + 375952.

It is an arithmetic number, because the mean of its divisors is an integer number (93228300).

Almost surely, 2^742051777 is an apocalyptic number.

It is an amenable number.

742051777 is a deficient number, since it is larger than the sum of its proper divisors (3774623).

742051777 is a wasteful number, since it uses less digits than its factorization.

742051777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its (nonzero) digits is 96040, while the sum is 40.

The square root of 742051777 is about 27240.6273239072. The cubic root of 742051777 is about 905.3393625684.

It can be divided in two parts, 7420 and 51777, that multiplied together give a triangular number (384185340 = T₂₇₇₁₉).

The spelling of 742051777 in words is "seven hundred forty-two million, fifty-one thousand, seven hundred seventy-seven".