742043700061 has 4 divisors (see below), whose sum is σ = 742145398972. Its totient is φ = 741942001152.

The previous prime is 742043700059. The next prime is 742043700103. The reversal of 742043700061 is 160007340247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160007340247 = 457 ⋅350125471.

It can be written as a sum of positive squares in 2 ways, for example, as 283029320025 + 459014380036 = 532005^2 + 677506^2 .

It is a cyclic number.

It is not a de Polignac number, because 742043700061 - 2¹ = 742043700059 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 (742043700011) 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, 50838510 + ... + 50853103.

It is an arithmetic number, because the mean of its divisors is an integer number (185536349743).

Almost surely, 2^742043700061 is an apocalyptic number.

It is an amenable number.

742043700061 is a deficient number, since it is larger than the sum of its proper divisors (101698911).

742043700061 is a wasteful number, since it uses less digits than its factorization.

742043700061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101698910.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 742043700061 in words is "seven hundred forty-two billion, forty-three million, seven hundred thousand, sixty-one".