742859477 has 2 divisors, whose sum is σ = 742859478. Its totient is φ = 742859476.

The previous prime is 742859459. The next prime is 742859483. The reversal of 742859477 is 774958247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 742780516 + 78961 = 27254^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 742859477 - 2¹⁶ = 742793941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742859177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371429738 + 371429739.

It is an arithmetic number, because the mean of its divisors is an integer number (371429739).

Almost surely, 2^742859477 is an apocalyptic number.

It is an amenable number.

742859477 is a deficient number, since it is larger than the sum of its proper divisors (1).

742859477 is an equidigital number, since it uses as much as digits as its factorization.

742859477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 53.

The square root of 742859477 is about 27255.4485745511. The cubic root of 742859477 is about 905.6677212600.

The spelling of 742859477 in words is "seven hundred forty-two million, eight hundred fifty-nine thousand, four hundred seventy-seven".