749320547 has 2 divisors, whose sum is σ = 749320548. Its totient is φ = 749320546.

The previous prime is 749320493. The next prime is 749320549. The reversal of 749320547 is 745023947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749320547 - 2²² = 745126243 is a prime.

It is a super-2 number, since 2×749320547² = 1122962564312758418, which contains 22 as substring.

Together with 749320549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (749320549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374660273 + 374660274.

It is an arithmetic number, because the mean of its divisors is an integer number (374660274).

Almost surely, 2^749320547 is an apocalyptic number.

749320547 is a deficient number, since it is larger than the sum of its proper divisors (1).

749320547 is an equidigital number, since it uses as much as digits as its factorization.

749320547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 749320547 is about 27373.7200066049. The cubic root of 749320547 is about 908.2858472908.

The spelling of 749320547 in words is "seven hundred forty-nine million, three hundred twenty thousand, five hundred forty-seven".