742812141 has 4 divisors (see below), whose sum is σ = 990416192. Its totient is φ = 495208092.

The previous prime is 742812137. The next prime is 742812149. The reversal of 742812141 is 141218247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 742812141 - 2² = 742812137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742812099 and 742812108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742812149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123802021 + ... + 123802026.

It is an arithmetic number, because the mean of its divisors is an integer number (247604048).

Almost surely, 2^742812141 is an apocalyptic number.

It is an amenable number.

742812141 is a deficient number, since it is larger than the sum of its proper divisors (247604051).

742812141 is a wasteful number, since it uses less digits than its factorization.

742812141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247604050.

The product of its digits is 3584, while the sum is 30.

The square root of 742812141 is about 27254.5801838884. The cubic root of 742812141 is about 905.6484840650.

The spelling of 742812141 in words is "seven hundred forty-two million, eight hundred twelve thousand, one hundred forty-one".