79473451 has 2 divisors, whose sum is σ = 79473452. Its totient is φ = 79473450.

The previous prime is 79473439. The next prime is 79473469. The reversal of 79473451 is 15437497.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79473451 is a prime.

It is not a weakly prime, because it can be changed into another prime (79473481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39736725 + 39736726.

It is an arithmetic number, because the mean of its divisors is an integer number (39736726).

Almost surely, 2^79473451 is an apocalyptic number.

79473451 is a deficient number, since it is larger than the sum of its proper divisors (1).

79473451 is an equidigital number, since it uses as much as digits as its factorization.

79473451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 79473451 is about 8914.7883317553. The cubic root of 79473451 is about 429.9395101498.

The spelling of 79473451 in words is "seventy-nine million, four hundred seventy-three thousand, four hundred fifty-one".