742036237 has 2 divisors, whose sum is σ = 742036238. Its totient is φ = 742036236.

The previous prime is 742036219. The next prime is 742036259. The reversal of 742036237 is 732630247.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741418441 + 617796 = 27229^2 + 786^2 .

It is a cyclic number.

It is not a de Polignac number, because 742036237 - 2⁷ = 742036109 is a prime.

It is a super-2 number, since 2×742036237² = 1101235554042240338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742036297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371018118 + 371018119.

It is an arithmetic number, because the mean of its divisors is an integer number (371018119).

Almost surely, 2^742036237 is an apocalyptic number.

It is an amenable number.

742036237 is a deficient number, since it is larger than the sum of its proper divisors (1).

742036237 is an equidigital number, since it uses as much as digits as its factorization.

742036237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 742036237 is about 27240.3420866919. The cubic root of 742036237 is about 905.3330426716. Note that the first 3 decimals are identical.

The spelling of 742036237 in words is "seven hundred forty-two million, thirty-six thousand, two hundred thirty-seven".