1372724071 has 2 divisors, whose sum is σ = 1372724072. Its totient is φ = 1372724070.

The previous prime is 1372724069. The next prime is 1372724081. The reversal of 1372724071 is 1704272731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372724071 - 2¹ = 1372724069 is a prime.

Together with 1372724069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372724021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686362035 + 686362036.

It is an arithmetic number, because the mean of its divisors is an integer number (686362036).

Almost surely, 2^1372724071 is an apocalyptic number.

1372724071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372724071 is an equidigital number, since it uses as much as digits as its factorization.

1372724071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 1372724071 is about 37050.2911054691. The cubic root of 1372724071 is about 1111.3761766719.

The spelling of 1372724071 in words is "one billion, three hundred seventy-two million, seven hundred twenty-four thousand, seventy-one".