747451 has 2 divisors, whose sum is σ = 747452. Its totient is φ = 747450.

The previous prime is 747449. The next prime is 747457. The reversal of 747451 is 154747.

It is a weak prime.

It is an emirp because it is prime and its reverse (154747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 747451 - 2¹ = 747449 is a prime.

Together with 747449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (747457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373725 + 373726.

It is an arithmetic number, because the mean of its divisors is an integer number (373726).

2⁷⁴⁷⁴⁵¹ is an apocalyptic number.

747451 is a deficient number, since it is larger than the sum of its proper divisors (1).

747451 is an equidigital number, since it uses as much as digits as its factorization.

747451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 28.

The square root of 747451 is about 864.5524853935. The cubic root of 747451 is about 90.7529830265.

Subtracting from 747451 its reverse (154747), we obtain a cube (592704 = 84³).

The spelling of 747451 in words is "seven hundred forty-seven thousand, four hundred fifty-one".