740192251 has 2 divisors, whose sum is σ = 740192252. Its totient is φ = 740192250.

The previous prime is 740192221. The next prime is 740192267. The reversal of 740192251 is 152291047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 740192251 - 2¹¹ = 740190203 is a prime.

It is not a weakly prime, because it can be changed into another prime (740192221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370096125 + 370096126.

It is an arithmetic number, because the mean of its divisors is an integer number (370096126).

Almost surely, 2^740192251 is an apocalyptic number.

740192251 is a deficient number, since it is larger than the sum of its proper divisors (1).

740192251 is an equidigital number, since it uses as much as digits as its factorization.

740192251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 740192251 is about 27206.4744316495. The cubic root of 740192251 is about 904.5824925224.

The spelling of 740192251 in words is "seven hundred forty million, one hundred ninety-two thousand, two hundred fifty-one".