740376431 has 2 divisors, whose sum is σ = 740376432. Its totient is φ = 740376430.

The previous prime is 740376421. The next prime is 740376433. The reversal of 740376431 is 134673047.

It is a strong prime.

It is an emirp because it is prime and its reverse (134673047) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740376431 is a prime.

It is a super-2 number, since 2×740376431² = 1096314519160595522, which contains 22 as substring.

Together with 740376433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 740376391 and 740376400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740376433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370188215 + 370188216.

It is an arithmetic number, because the mean of its divisors is an integer number (370188216).

Almost surely, 2^740376431 is an apocalyptic number.

740376431 is a deficient number, since it is larger than the sum of its proper divisors (1).

740376431 is an equidigital number, since it uses as much as digits as its factorization.

740376431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 740376431 is about 27209.8590771801. The cubic root of 740376431 is about 904.6575145573.

The spelling of 740376431 in words is "seven hundred forty million, three hundred seventy-six thousand, four hundred thirty-one".