742806355 has 8 divisors (see below), whose sum is σ = 891890064. Its totient is φ = 593896800.

The previous prime is 742806353. The next prime is 742806373. The reversal of 742806355 is 553608247.

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

It is not a de Polignac number, because 742806355 - 2¹ = 742806353 is a prime.

It is a super-2 number, since 2×742806355² = 1103522562056772050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742806353) 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, 33961 + ... + 51370.

It is an arithmetic number, because the mean of its divisors is an integer number (111486258).

Almost surely, 2^742806355 is an apocalyptic number.

742806355 is a deficient number, since it is larger than the sum of its proper divisors (149083709).

742806355 is a wasteful number, since it uses less digits than its factorization.

742806355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87077.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 742806355 is about 27254.4740363853. The cubic root of 742806355 is about 905.6461325976.

The spelling of 742806355 in words is "seven hundred forty-two million, eight hundred six thousand, three hundred fifty-five".