742069191 has 8 divisors (see below), whose sum is σ = 990046960. Its totient is φ = 494402112.

The previous prime is 742069183. The next prime is 742069213. The reversal of 742069191 is 191960247.

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

It is not a de Polignac number, because 742069191 - 2³ = 742069183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742069121) 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, 72040 + ... + 81693.

It is an arithmetic number, because the mean of its divisors is an integer number (123755870).

Almost surely, 2^742069191 is an apocalyptic number.

742069191 is a deficient number, since it is larger than the sum of its proper divisors (247977769).

742069191 is a wasteful number, since it uses less digits than its factorization.

742069191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155345.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 742069191 is about 27240.9469549060. The cubic root of 742069191 is about 905.3464444894.

The spelling of 742069191 in words is "seven hundred forty-two million, sixty-nine thousand, one hundred ninety-one".