742076390 has 32 divisors (see below), whose sum is σ = 1477145376. Its totient is φ = 266146560.

The previous prime is 742076371. The next prime is 742076411. The reversal of 742076390 is 93670247.

742076390 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38177 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (46160793).

Almost surely, 2^742076390 is an apocalyptic number.

742076390 is a deficient number, since it is larger than the sum of its proper divisors (735068986).

742076390 is a wasteful number, since it uses less digits than its factorization.

742076390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92504.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 742076390 is about 27241.0790902270. The cubic root of 742076390 is about 905.3493721445.

The spelling of 742076390 in words is "seven hundred forty-two million, seventy-six thousand, three hundred ninety".