742202247 has 4 divisors (see below), whose sum is σ = 989603000. Its totient is φ = 494801496.

The previous prime is 742202233. The next prime is 742202267.

742202247 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 742202247 - 2²⁰ = 741153671 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 (742202207) 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, 123700372 + ... + 123700377.

It is an arithmetic number, because the mean of its divisors is an integer number (247400750).

Almost surely, 2^742202247 is an apocalyptic number.

742202247 is a deficient number, since it is larger than the sum of its proper divisors (247400753).

742202247 is a wasteful number, since it uses less digits than its factorization.

742202247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247400752.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 742202247 is about 27243.3890512910. The cubic root of 742202247 is about 905.4005520124.

It can be divided in two parts, 74220 and 2247, that added together give a palindrome (76467).

The spelling of 742202247 in words is "seven hundred forty-two million, two hundred two thousand, two hundred forty-seven".