1472970391 has 2 divisors, whose sum is σ = 1472970392. Its totient is φ = 1472970390.

The previous prime is 1472970361. The next prime is 1472970397. The reversal of 1472970391 is 1930792741.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1930792741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1472970391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1472970397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736485195 + 736485196.

It is an arithmetic number, because the mean of its divisors is an integer number (736485196).

Almost surely, 2^1472970391 is an apocalyptic number.

1472970391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472970391 is an equidigital number, since it uses as much as digits as its factorization.

1472970391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1472970391 is about 38379.2963849000. The cubic root of 1472970391 is about 1137.7967064990.

The spelling of 1472970391 in words is "one billion, four hundred seventy-two million, nine hundred seventy thousand, three hundred ninety-one".